23422997 has 4 divisors (see below), whose sum is σ = 25224780. Its totient is φ = 21621216.

The previous prime is 23422951. The next prime is 23423047. The reversal of 23422997 is 79922432.

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 9480241 + 13942756 = 3079^2 + 3734^2 .

It is a cyclic number.

It is not a de Polignac number, because 23422997 - 2⁶ = 23422933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23422997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23427997) 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, 900872 + ... + 900897.

It is an arithmetic number, because the mean of its divisors is an integer number (6306195).

Almost surely, 2^23422997 is an apocalyptic number.

It is an amenable number.

23422997 is a deficient number, since it is larger than the sum of its proper divisors (1801783).

23422997 is a wasteful number, since it uses less digits than its factorization.

23422997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801782.

The product of its digits is 54432, while the sum is 38.

The square root of 23422997 is about 4839.7310875709. The cubic root of 23422997 is about 286.1195198696.

The spelling of 23422997 in words is "twenty-three million, four hundred twenty-two thousand, nine hundred ninety-seven".