23320323 has 24 divisors (see below), whose sum is σ = 37263408. Its totient is φ = 13960512.

The previous prime is 23320313. The next prime is 23320327. The reversal of 23320323 is 32302332.

23320323 is a `hidden beast` number, since 23 + 320 + 323 = 666.

It is not a de Polignac number, because 23320323 - 2⁵ = 23320291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23320296 and 23320305.

It is not an unprimeable number, because it can be changed into a prime (23320327) 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 23 ways as a sum of consecutive naturals, for example, 1636 + ... + 7022.

It is an arithmetic number, because the mean of its divisors is an integer number (1552642).

Almost surely, 2^23320323 is an apocalyptic number.

23320323 is a deficient number, since it is larger than the sum of its proper divisors (13943085).

23320323 is a wasteful number, since it uses less digits than its factorization.

23320323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443 (or 5440 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 23320323 is about 4829.1120301770. The cubic root of 23320323 is about 285.7008420936.

Adding to 23320323 its reverse (32302332), we get a palindrome (55622655).

Subtracting 23320323 from its reverse (32302332), we obtain a square (8982009 = 2997²).

The spelling of 23320323 in words is "twenty-three million, three hundred twenty thousand, three hundred twenty-three".