23398973 has 16 divisors (see below), whose sum is σ = 25909632. Its totient is φ = 21000000.

The previous prime is 23398967. The next prime is 23398979. The reversal of 23398973 is 37989332.

It is an interprime number because it is at equal distance from previous prime (23398967) and next prime (23398979).

It is a cyclic number.

It is not a de Polignac number, because 23398973 - 2⁸ = 23398717 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 (23398979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93098 + ... + 93348.

It is an arithmetic number, because the mean of its divisors is an integer number (1619352).

Almost surely, 2^23398973 is an apocalyptic number.

It is an amenable number.

23398973 is a deficient number, since it is larger than the sum of its proper divisors (2510659).

23398973 is a wasteful number, since it uses less digits than its factorization.

23398973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its digits is 244944, while the sum is 44.

The square root of 23398973 is about 4837.2484947540. The cubic root of 23398973 is about 286.0216660848.

The spelling of 23398973 in words is "twenty-three million, three hundred ninety-eight thousand, nine hundred seventy-three".