22923397 has 4 divisors (see below), whose sum is σ = 26198176. Its totient is φ = 19648620.

The previous prime is 22923391. The next prime is 22923403. The reversal of 22923397 is 79332922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (22923391) and next prime (22923403).

It is a cyclic number.

It is not a de Polignac number, because 22923397 - 2⁷ = 22923269 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 (22923391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637379 + ... + 1637392.

It is an arithmetic number, because the mean of its divisors is an integer number (6549544).

Almost surely, 2^22923397 is an apocalyptic number.

It is an amenable number.

22923397 is a deficient number, since it is larger than the sum of its proper divisors (3274779).

22923397 is an equidigital number, since it uses as much as digits as its factorization.

22923397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274778.

The product of its digits is 40824, while the sum is 37.

The square root of 22923397 is about 4787.8384475669. The cubic root of 22923397 is about 284.0706240085.

The spelling of 22923397 in words is "twenty-two million, nine hundred twenty-three thousand, three hundred ninety-seven".