23113013 has 16 divisors (see below), whose sum is σ = 30513024. Its totient is φ = 16949760.

The previous prime is 23113009. The next prime is 23113019. The reversal of 23113013 is 31031132.

It is a cyclic number.

It is not a de Polignac number, because 23113013 - 2² = 23113009 is a prime.

It is a super-2 number, since 2×23113013² = 1068422739876338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7520 + ... + 10137.

It is an arithmetic number, because the mean of its divisors is an integer number (1907064).

Almost surely, 2^23113013 is an apocalyptic number.

It is an amenable number.

23113013 is a deficient number, since it is larger than the sum of its proper divisors (7400011).

23113013 is a wasteful number, since it uses less digits than its factorization.

23113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17692.

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

The square root of 23113013 is about 4807.5995049505. The cubic root of 23113013 is about 284.8517254778.

Adding to 23113013 its reverse (31031132), we get a palindrome (54144145).

It can be divided in two parts, 231 and 13013, that multiplied together give a palindrome (3006003).

The spelling of 23113013 in words is "twenty-three million, one hundred thirteen thousand, thirteen".