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23205440232000 = 263253131723163389
BaseRepresentation
bin1010100011010111100000…
…00001011001101001000000
310001011102022000202212221100
411101223300001121221000
511020144220144411000
6121204233154454400
74613352304314465
oct521536001315100
9101142260685840
1023205440232000
117437410056814
122729452b94400
13cc435724b2a0
145a321397166c
152a3960464a00
hex151af0059a40

23205440232000 has 2688 divisors, whose sum is σ = 99630408084480. Its totient is φ = 5097671884800.

The previous prime is 23205440231993. The next prime is 23205440232011. The reversal of 23205440232000 is 23204450232.

It is a happy number.

23205440232000 is a `hidden beast` number, since 2 + 3 + 2 + 0 + 54 + 402 + 3 + 200 + 0 = 666.

It is a super-5 number, since 5×232054402320005 (a number of 68 digits) contains 55555 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 59654087806 + ... + 59654088194.

It is an arithmetic number, because the mean of its divisors is an integer number (37064883960).

Almost surely, 223205440232000 is an apocalyptic number.

23205440232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23205440232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49815204042240).

23205440232000 is an abundant number, since it is smaller than the sum of its proper divisors (76424967852480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23205440232000 is a wasteful number, since it uses less digits than its factorization.

23205440232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23205440232000 its reverse (23204450232), we get a palindrome (23228644682232).

The spelling of 23205440232000 in words is "twenty-three trillion, two hundred five billion, four hundred forty million, two hundred thirty-two thousand".