23515051532 has 12 divisors (see below), whose sum is σ = 47030103120. Its totient is φ = 10077879216.

The previous prime is 23515051517. The next prime is 23515051577.

23515051532 is nontrivially palindromic in base 10.

23515051532 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419911607 + ... + 419911662.

It is an arithmetic number, because the mean of its divisors is an integer number (3919175260).

Almost surely, 2^23515051532 is an apocalyptic number.

It is an amenable number.

23515051532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23515051532 is a wasteful number, since it uses less digits than its factorization.

23515051532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839823280 (or 839823278 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

It can be divided in two parts, 235150 and 51532, that added together give a palindrome (286682).

The spelling of 23515051532 in words is "twenty-three billion, five hundred fifteen million, fifty-one thousand, five hundred thirty-two".