23400131521032 has 256 divisors, whose sum is σ = 78523130880000. Its totient is φ = 6307366786560.

The previous prime is 23400131520991. The next prime is 23400131521079. The reversal of 23400131521032 is 23012513100432.

23400131521032 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 0 + 131 + 521 + 0 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23400131520987 and 23400131521005.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5161932 + ... + 8570052.

It is an arithmetic number, because the mean of its divisors is an integer number (306730980000).

Almost surely, 2^{23400131521032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23400131521032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39261565440000).

23400131521032 is an abundant number, since it is smaller than the sum of its proper divisors (55122999358968).

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

23400131521032 is a wasteful number, since it uses less digits than its factorization.

23400131521032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408401 (or 3408391 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 23400131521032 its reverse (23012513100432), we get a palindrome (46412644621464).

The spelling of 23400131521032 in words is "twenty-three trillion, four hundred billion, one hundred thirty-one million, five hundred twenty-one thousand, thirty-two".