23389013 has 2 divisors, whose sum is σ = 23389014. Its totient is φ = 23389012.

The previous prime is 23388961. The next prime is 23389021. The reversal of 23389013 is 31098332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22344529 + 1044484 = 4727^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 23389013 - 2¹⁶ = 23323477 is a prime.

It is a super-2 number, since 2×23389013² = 1094091858228338, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23389043) 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 as a sum of consecutive naturals, namely, 11694506 + 11694507.

It is an arithmetic number, because the mean of its divisors is an integer number (11694507).

Almost surely, 2^23389013 is an apocalyptic number.

It is an amenable number.

23389013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23389013 is an equidigital number, since it uses as much as digits as its factorization.

23389013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23389013 is about 4836.2188742860. The cubic root of 23389013 is about 285.9810776925.

The spelling of 23389013 in words is "twenty-three million, three hundred eighty-nine thousand, thirteen".