23237013 has 4 divisors (see below), whose sum is σ = 30982688. Its totient is φ = 15491340.

The previous prime is 23237009. The next prime is 23237023. The reversal of 23237013 is 31073232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23237013 - 2² = 23237009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23237003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872833 + ... + 3872838.

It is an arithmetic number, because the mean of its divisors is an integer number (7745672).

Almost surely, 2^23237013 is an apocalyptic number.

It is an amenable number.

23237013 is a deficient number, since it is larger than the sum of its proper divisors (7745675).

23237013 is an equidigital number, since it uses as much as digits as its factorization.

23237013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745674.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 23237013 is about 4820.4785032194. The cubic root of 23237013 is about 285.3602216426.

The spelling of 23237013 in words is "twenty-three million, two hundred thirty-seven thousand, thirteen".