23837913 has 72 divisors (see below), whose sum is σ = 42793920. Its totient is φ = 12640320.

The previous prime is 23837911. The next prime is 23837981. The reversal of 23837913 is 31973832.

It is a happy number.

It is not a de Polignac number, because 23837913 - 2¹ = 23837911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23837911) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 821983 + ... + 822011.

It is an arithmetic number, because the mean of its divisors is an integer number (594360).

Almost surely, 2^23837913 is an apocalyptic number.

23837913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23837913 is a deficient number, since it is larger than the sum of its proper divisors (18956007).

23837913 is a wasteful number, since it uses less digits than its factorization.

23837913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 85 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 23837913 is about 4882.4085244887. The cubic root of 23837913 is about 287.7990858550.

It can be divided in two parts, 2383 and 7913, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 23837913 in words is "twenty-three million, eight hundred thirty-seven thousand, nine hundred thirteen".