23555557892 has 12 divisors (see below), whose sum is σ = 41231237376. Its totient is φ = 11775204360.

The previous prime is 23555557813. The next prime is 23555557913. The reversal of 23555557892 is 29875555532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622988 + ... + 659715.

It is an arithmetic number, because the mean of its divisors is an integer number (3435936448).

Almost surely, 2^23555557892 is an apocalyptic number.

It is an amenable number.

23555557892 is a deficient number, since it is larger than the sum of its proper divisors (17675679484).

23555557892 is a wasteful number, since it uses less digits than its factorization.

23555557892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287298 (or 1287296 counting only the distinct ones).

The product of its digits is 18900000, while the sum is 56.

The spelling of 23555557892 in words is "twenty-three billion, five hundred fifty-five million, five hundred fifty-seven thousand, eight hundred ninety-two".