23431113 has 10 divisors (see below), whose sum is σ = 35002154. Its totient is φ = 15620688.

The previous prime is 23431103. The next prime is 23431127. The reversal of 23431113 is 31113432.

It can be written as a sum of positive squares in only one way, i.e., 23011209 + 419904 = 4797^2 + 648^2 .

It is not a de Polignac number, because 23431113 - 2⁴ = 23431097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 144556 + ... + 144717.

Almost surely, 2^23431113 is an apocalyptic number.

It is an amenable number.

23431113 is a deficient number, since it is larger than the sum of its proper divisors (11571041).

23431113 is an equidigital number, since it uses as much as digits as its factorization.

23431113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289285 (or 289276 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 23431113 is about 4840.5694912892. The cubic root of 23431113 is about 286.1525625793.

Adding to 23431113 its reverse (31113432), we get a palindrome (54544545).

The spelling of 23431113 in words is "twenty-three million, four hundred thirty-one thousand, one hundred thirteen".