23555504259 has 24 divisors (see below), whose sum is σ = 38916540000. Its totient is φ = 13449466368.

The previous prime is 23555504251. The next prime is 23555504279. The reversal of 23555504259 is 95240555532.

It is a happy number.

23555504259 is a `hidden beast` number, since 2 + 3 + 5 + 5 + 550 + 42 + 59 = 666.

It is not a de Polignac number, because 23555504259 - 2³ = 23555504251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23555504251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70992 + ... + 228365.

It is an arithmetic number, because the mean of its divisors is an integer number (1621522500).

Almost surely, 2^23555504259 is an apocalyptic number.

23555504259 is a deficient number, since it is larger than the sum of its proper divisors (15361035741).

23555504259 is a wasteful number, since it uses less digits than its factorization.

23555504259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300619 (or 300616 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 23555504259 in words is "twenty-three billion, five hundred fifty-five million, five hundred four thousand, two hundred fifty-nine".