23064439 has 4 divisors (see below), whose sum is σ = 23323680. Its totient is φ = 22805200.

The previous prime is 23064413. The next prime is 23064443. The reversal of 23064439 is 93446032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23064439 - 2⁵ = 23064407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23064439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23064449) 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, 129487 + ... + 129664.

It is an arithmetic number, because the mean of its divisors is an integer number (5830920).

Almost surely, 2^23064439 is an apocalyptic number.

23064439 is a deficient number, since it is larger than the sum of its proper divisors (259241).

23064439 is an equidigital number, since it uses as much as digits as its factorization.

23064439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259240.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 23064439 is about 4802.5450544477. The cubic root of 23064439 is about 284.6520386630.

The spelling of 23064439 in words is "twenty-three million, sixty-four thousand, four hundred thirty-nine".