23113031 has 4 divisors (see below), whose sum is σ = 23125272. Its totient is φ = 23100792.

The previous prime is 23113019. The next prime is 23113037. The reversal of 23113031 is 13031132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23113031 - 2¹⁰ = 23112007 is a prime.

It is a super-2 number, since 2×23113031² = 1068424404013922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23112997 and 23113015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (5781318).

Almost surely, 2^23113031 is an apocalyptic number.

23113031 is a deficient number, since it is larger than the sum of its proper divisors (12241).

23113031 is an equidigital number, since it uses as much as digits as its factorization.

23113031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 23113031 is about 4807.6013769862. The cubic root of 23113031 is about 284.8517994236.

Adding to 23113031 its reverse (13031132), we get a palindrome (36144163).

The spelling of 23113031 in words is "twenty-three million, one hundred thirteen thousand, thirty-one".