23320459 has 4 divisors (see below), whose sum is σ = 24334416. Its totient is φ = 22306504.

The previous prime is 23320439. The next prime is 23320469. The reversal of 23320459 is 95402332.

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

It is not a de Polignac number, because 23320459 - 2¹⁹ = 22796171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320439) 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, 506944 + ... + 506989.

It is an arithmetic number, because the mean of its divisors is an integer number (6083604).

Almost surely, 2^23320459 is an apocalyptic number.

23320459 is a deficient number, since it is larger than the sum of its proper divisors (1013957).

23320459 is a wasteful number, since it uses less digits than its factorization.

23320459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013956.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23320459 is about 4829.1261114202. The cubic root of 23320459 is about 285.7013974782.

The spelling of 23320459 in words is "twenty-three million, three hundred twenty thousand, four hundred fifty-nine".