23573013 has 4 divisors (see below), whose sum is σ = 31430688. Its totient is φ = 15715340.

The previous prime is 23573009. The next prime is 23573021. The reversal of 23573013 is 31037532.

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 a cyclic number.

It is not a de Polignac number, because 23573013 - 2² = 23573009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23573003) 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 3 ways as a sum of consecutive naturals, for example, 3928833 + ... + 3928838.

It is an arithmetic number, because the mean of its divisors is an integer number (7857672).

Almost surely, 2^23573013 is an apocalyptic number.

It is an amenable number.

23573013 is a deficient number, since it is larger than the sum of its proper divisors (7857675).

23573013 is an equidigital number, since it uses as much as digits as its factorization.

23573013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857674.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 23573013 is about 4855.2047330674. The cubic root of 23573013 is about 286.7290518333.

The spelling of 23573013 in words is "twenty-three million, five hundred seventy-three thousand, thirteen".