23328447865825 has 6 divisors (see below), whose sum is σ = 28927275353654. Its totient is φ = 18662758292640.

The previous prime is 23328447865799. The next prime is 23328447865841. The reversal of 23328447865825 is 52856874482332.

It can be written as a sum of positive squares in 3 ways, for example, as 2975997611664 + 20352450254161 = 1725108^2 + 4511369^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23328447865825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466568957292 + ... + 466568957341.

Almost surely, 2^{23328447865825} is an apocalyptic number.

23328447865825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23328447865825 is a deficient number, since it is larger than the sum of its proper divisors (5598827487829).

23328447865825 is an equidigital number, since it uses as much as digits as its factorization.

23328447865825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933137914643 (or 933137914638 counting only the distinct ones).

The product of its digits is 619315200, while the sum is 67.

The spelling of 23328447865825 in words is "twenty-three trillion, three hundred twenty-eight billion, four hundred forty-seven million, eight hundred sixty-five thousand, eight hundred twenty-five".