23720973 has 8 divisors (see below), whose sum is σ = 31830048. Its totient is φ = 15712944.

The previous prime is 23720941. The next prime is 23721007. The reversal of 23720973 is 37902732.

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

It is not a de Polignac number, because 23720973 - 2⁵ = 23720941 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23720923) 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 7 ways as a sum of consecutive naturals, for example, 24711 + ... + 25652.

It is an arithmetic number, because the mean of its divisors is an integer number (3978756).

Almost surely, 2^23720973 is an apocalyptic number.

It is an amenable number.

23720973 is a deficient number, since it is larger than the sum of its proper divisors (8109075).

23720973 is a wasteful number, since it uses less digits than its factorization.

23720973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50523.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 23720973 is about 4870.4181545325. The cubic root of 23720973 is about 287.3277021821.

The spelling of 23720973 in words is "twenty-three million, seven hundred twenty thousand, nine hundred seventy-three".