23307793 has 4 divisors (see below), whose sum is σ = 24111540. Its totient is φ = 22504048.

The previous prime is 23307787. The next prime is 23307821. The reversal of 23307793 is 39770332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16589329 + 6718464 = 4073^2 + 2592^2 .

It is a cyclic number.

It is not a de Polignac number, because 23307793 - 2⁵ = 23307761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23307733) 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, 401830 + ... + 401887.

It is an arithmetic number, because the mean of its divisors is an integer number (6027885).

Almost surely, 2^23307793 is an apocalyptic number.

It is an amenable number.

23307793 is a deficient number, since it is larger than the sum of its proper divisors (803747).

23307793 is an equidigital number, since it uses as much as digits as its factorization.

23307793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803746.

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 23307793 is about 4827.8145159068. The cubic root of 23307793 is about 285.6496639447.

The spelling of 23307793 in words is "twenty-three million, three hundred seven thousand, seven hundred ninety-three".