23565612275 has 6 divisors (see below), whose sum is σ = 29221359252. Its totient is φ = 18852489800.

The previous prime is 23565612247. The next prime is 23565612283. The reversal of 23565612275 is 57221656532.

It is a de Polignac number, because none of the positive numbers 2^k-23565612275 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, 471312221 + ... + 471312270.

It is an arithmetic number, because the mean of its divisors is an integer number (4870226542).

Almost surely, 2^23565612275 is an apocalyptic number.

23565612275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23565612275 is a deficient number, since it is larger than the sum of its proper divisors (5655746977).

23565612275 is an equidigital number, since it uses as much as digits as its factorization.

23565612275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942624501 (or 942624496 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The spelling of 23565612275 in words is "twenty-three billion, five hundred sixty-five million, six hundred twelve thousand, two hundred seventy-five".