23532919128 has 48 divisors (see below), whose sum is σ = 63905933520. Its totient is φ = 7823267136.

The previous prime is 23532919121. The next prime is 23532919181. The reversal of 23532919128 is 82191923532.

23532919128 is a `hidden beast` number, since 2 + 3 + 532 + 9 + 1 + 91 + 28 = 666.

It is a super-3 number, since 3×23532919128³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532919121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411276 + ... + 464987.

It is an arithmetic number, because the mean of its divisors is an integer number (1331373615).

Almost surely, 2^23532919128 is an apocalyptic number.

It is an amenable number.

23532919128 is an abundant number, since it is smaller than the sum of its proper divisors (40373014392).

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

23532919128 is a wasteful number, since it uses less digits than its factorization.

23532919128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876648 (or 876641 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 23532919128 in words is "twenty-three billion, five hundred thirty-two million, nine hundred nineteen thousand, one hundred twenty-eight".