23913955 has 16 divisors (see below), whose sum is σ = 31056480. Its totient is φ = 17572608.

The previous prime is 23913949. The next prime is 23913961. The reversal of 23913955 is 55931932.

It is an interprime number because it is at equal distance from previous prime (23913949) and next prime (23913961).

It is a cyclic number.

It is not a de Polignac number, because 23913955 - 2⁹ = 23913443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14356 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (1941030).

Almost surely, 2^23913955 is an apocalyptic number.

23913955 is a deficient number, since it is larger than the sum of its proper divisors (7142525).

23913955 is a wasteful number, since it uses less digits than its factorization.

23913955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830.

The product of its digits is 36450, while the sum is 37.

The square root of 23913955 is about 4890.1896691233. The cubic root of 23913955 is about 288.1047835989.

Subtracting from 23913955 its product of digits (36450), we obtain a triangular number (23877505 = T₆₉₁₀).

The spelling of 23913955 in words is "twenty-three million, nine hundred thirteen thousand, nine hundred fifty-five".