23557169475328 has 72 divisors (see below), whose sum is σ = 47215019482400. Its totient is φ = 11730404634624.

The previous prime is 23557169475283. The next prime is 23557169475431. The reversal of 23557169475328 is 82357496175532.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67527013 + ... + 67874971.

Almost surely, 2^{23557169475328} 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 23557169475328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23607509741200).

23557169475328 is an abundant number, since it is smaller than the sum of its proper divisors (23657850007072).

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

23557169475328 is an equidigital number, since it uses as much as digits as its factorization.

23557169475328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349057 (or 349043 counting only the distinct ones).

The product of its digits is 381024000, while the sum is 67.

The spelling of 23557169475328 in words is "twenty-three trillion, five hundred fifty-seven billion, one hundred sixty-nine million, four hundred seventy-five thousand, three hundred twenty-eight".