23895072520 has 64 divisors (see below), whose sum is σ = 59358277440. Its totient is φ = 8584416000.

The previous prime is 23895072457. The next prime is 23895072557. The reversal of 23895072520 is 2527059832.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290631 + ... + 363670.

It is an arithmetic number, because the mean of its divisors is an integer number (927473085).

Almost surely, 2^23895072520 is an apocalyptic number.

23895072520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23895072520 is an abundant number, since it is smaller than the sum of its proper divisors (35463204920).

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

23895072520 is a wasteful number, since it uses less digits than its factorization.

23895072520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654406 (or 654402 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 23895072520 in words is "twenty-three billion, eight hundred ninety-five million, seventy-two thousand, five hundred twenty".