23529560064 has 48 divisors (see below), whose sum is σ = 62730191160. Its totient is φ = 7843184640.

The previous prime is 23529560059. The next prime is 23529560071. The reversal of 23529560064 is 46006592532.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23529559998 and 23529560025.

It is a congruent 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, 1908697 + ... + 1920984.

Almost surely, 2^23529560064 is an apocalyptic number.

23529560064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23529560064 is an abundant number, since it is smaller than the sum of its proper divisors (39200631096).

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

23529560064 is an equidigital number, since it uses as much as digits as its factorization.

23529560064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829706 (or 3829686 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 23529560064 in words is "twenty-three billion, five hundred twenty-nine million, five hundred sixty thousand, sixty-four".