23155550330 has 32 divisors (see below), whose sum is σ = 45741386880. Its totient is φ = 8369773120.

The previous prime is 23155550323. The next prime is 23155550359. The reversal of 23155550330 is 3305555132.

It is a super-2 number, since 2×23155550330² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611885 + ... + 648624.

It is an arithmetic number, because the mean of its divisors is an integer number (1429418340).

Almost surely, 2^23155550330 is an apocalyptic number.

23155550330 is a deficient number, since it is larger than the sum of its proper divisors (22585836550).

23155550330 is a wasteful number, since it uses less digits than its factorization.

23155550330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260694.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 23155550330 in words is "twenty-three billion, one hundred fifty-five million, five hundred fifty thousand, three hundred thirty".