23320997 has 8 divisors (see below), whose sum is σ = 26716800. Its totient is φ = 19941264.

The previous prime is 23320987. The next prime is 23321041. The reversal of 23320997 is 79902332.

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

It is not a de Polignac number, because 23320997 - 2⁶ = 23320933 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 (23320987) 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, 722 + ... + 6867.

It is an arithmetic number, because the mean of its divisors is an integer number (3339600).

Almost surely, 2^23320997 is an apocalyptic number.

It is an amenable number.

23320997 is a deficient number, since it is larger than the sum of its proper divisors (3395803).

23320997 is an equidigital number, since it uses as much as digits as its factorization.

23320997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 23320997 is about 4829.1818147591. The cubic root of 23320997 is about 285.7035944928.

The spelling of 23320997 in words is "twenty-three million, three hundred twenty thousand, nine hundred ninety-seven".