23890113 has 32 divisors (see below), whose sum is σ = 39446400. Its totient is φ = 14188608.

The previous prime is 23890081. The next prime is 23890133. The reversal of 23890113 is 31109832.

It is not a de Polignac number, because 23890113 - 2⁵ = 23890081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23890133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9006 + ... + 11352.

It is an arithmetic number, because the mean of its divisors is an integer number (1232700).

Almost surely, 2^23890113 is an apocalyptic number.

It is an amenable number.

23890113 is a deficient number, since it is larger than the sum of its proper divisors (15556287).

23890113 is a wasteful number, since it uses less digits than its factorization.

23890113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398 (or 2392 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 23890113 is about 4887.7513234615. The cubic root of 23890113 is about 288.0090057948.

Adding to 23890113 its reverse (31109832), we get a palindrome (54999945).

The spelling of 23890113 in words is "twenty-three million, eight hundred ninety thousand, one hundred thirteen".