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23230121162040 = 233251329181945647
BaseRepresentation
bin1010100100000101011110…
…00111101011010100111000
310001020210000002022001001100
411102002233013223110320
511021100242004141130
6121223434220451400
74615215025622652
oct522025707532470
9101223002261040
1023230121162040
117446925873861
1227321a06a9b60
13cc678b63a9c0
145a44b57bd6d2
152a440710cc60
hex1520af1eb538

23230121162040 has 384 divisors, whose sum is σ = 84573839750400. Its totient is φ = 5490496327680.

The previous prime is 23230121162009. The next prime is 23230121162117. The reversal of 23230121162040 is 4026112103232.

23230121162040 is a `hidden beast` number, since 2 + 3 + 2 + 30 + 1 + 2 + 1 + 1 + 620 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 23230121161995 and 23230121162013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24092497 + ... + 25038143.

It is an arithmetic number, because the mean of its divisors is an integer number (220244374350).

Almost surely, 223230121162040 is an apocalyptic number.

23230121162040 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 23230121162040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42286919875200).

23230121162040 is an abundant number, since it is smaller than the sum of its proper divisors (61343718588360).

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

23230121162040 is a wasteful number, since it uses less digits than its factorization.

23230121162040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945887 (or 945880 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 23230121162040 its reverse (4026112103232), we get a palindrome (27256233265272).

The spelling of 23230121162040 in words is "twenty-three trillion, two hundred thirty billion, one hundred twenty-one million, one hundred sixty-two thousand, forty".