23563064425 has 12 divisors (see below), whose sum is σ = 29234697436. Its totient is φ = 18839808000.

The previous prime is 23563064419. The next prime is 23563064509. The reversal of 23563064425 is 52446036532.

It can be written as a sum of positive squares in 6 ways, for example, as 15241216 + 23547823209 = 3904^2 + 153453^2 .

It is not a de Polignac number, because 23563064425 - 2³ = 23563064417 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220776 + ... + 309625.

Almost surely, 2^23563064425 is an apocalyptic number.

23563064425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23563064425 is a deficient number, since it is larger than the sum of its proper divisors (5671633011).

23563064425 is a wasteful number, since it uses less digits than its factorization.

23563064425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532188 (or 532183 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 23563064425 in words is "twenty-three billion, five hundred sixty-three million, sixty-four thousand, four hundred twenty-five".