23401532234512 has 160 divisors (see below), whose sum is σ = 47690747596800. Its totient is φ = 11112407760384.

The previous prime is 23401532234459. The next prime is 23401532234519. The reversal of 23401532234512 is 21543223510432.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (23401532234519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7600366189 + ... + 7600369267.

It is an arithmetic number, because the mean of its divisors is an integer number (298067172480).

Almost surely, 2^{23401532234512} is an apocalyptic number.

It is an amenable number.

23401532234512 is an abundant number, since it is smaller than the sum of its proper divisors (24289215362288).

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

23401532234512 is a wasteful number, since it uses less digits than its factorization.

23401532234512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653 (or 4647 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 23401532234512 its reverse (21543223510432), we get a palindrome (44944755744944).

The spelling of 23401532234512 in words is "twenty-three trillion, four hundred one billion, five hundred thirty-two million, two hundred thirty-four thousand, five hundred twelve".