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23040023213400 = 233522331009163337
BaseRepresentation
bin1010011110100011011000…
…11001100011010101011000
310000120121022211110200101220
411033101230121203111120
511004441431420312100
6121000235054012040
74565405153001234
oct517215431432530
9100517284420356
1023040023213400
1173832454a7386
1227013891a7020
13cb188493311b
145992008455c4
1529e4cd149aa0
hex14f46c663558

23040023213400 has 192 divisors, whose sum is σ = 71802143431200. Its totient is φ = 6111536578560.

The previous prime is 23040023213377. The next prime is 23040023213411. The reversal of 23040023213400 is 431232004032.

It is a super-4 number, since 4×230400232134004 (a number of 55 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140976532 + ... + 141139868.

Almost surely, 223040023213400 is an apocalyptic number.

23040023213400 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 23040023213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35901071715600).

23040023213400 is an abundant number, since it is smaller than the sum of its proper divisors (48762120217800).

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

23040023213400 is a wasteful number, since it uses less digits than its factorization.

23040023213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164598 (or 164589 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23040023213400 its reverse (431232004032), we get a palindrome (23471255217432).

The spelling of 23040023213400 in words is "twenty-three trillion, forty billion, twenty-three million, two hundred thirteen thousand, four hundred".