23391973 has 8 divisors (see below), whose sum is σ = 25826976. Its totient is φ = 21008400.

The previous prime is 23391941. The next prime is 23392007. The reversal of 23391973 is 37919332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23391973 - 2⁵ = 23391941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23391913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11898 + ... + 13723.

It is an arithmetic number, because the mean of its divisors is an integer number (3228372).

Almost surely, 2^23391973 is an apocalyptic number.

It is an amenable number.

23391973 is a deficient number, since it is larger than the sum of its proper divisors (2435003).

23391973 is a wasteful number, since it uses less digits than its factorization.

23391973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25715.

The product of its digits is 30618, while the sum is 37.

The square root of 23391973 is about 4836.5248888019. The cubic root of 23391973 is about 285.9931413094.

The spelling of 23391973 in words is "twenty-three million, three hundred ninety-one thousand, nine hundred seventy-three".