23813955 has 24 divisors (see below), whose sum is σ = 45030960. Its totient is φ = 11545920.

The previous prime is 23813953. The next prime is 23813963. The reversal of 23813955 is 55931832.

It is not a de Polignac number, because 23813955 - 2¹ = 23813953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23813953) 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, 23560 + ... + 24549.

It is an arithmetic number, because the mean of its divisors is an integer number (1876290).

Almost surely, 2^23813955 is an apocalyptic number.

23813955 is a deficient number, since it is larger than the sum of its proper divisors (21217005).

23813955 is a wasteful number, since it uses less digits than its factorization.

23813955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48131 (or 48128 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 23813955 is about 4879.9544055247. The cubic root of 23813955 is about 287.7026372308.

It can be divided in two parts, 2381 and 3955, that added together give a palindrome (6336).

The spelling of 23813955 in words is "twenty-three million, eight hundred thirteen thousand, nine hundred fifty-five".