23097938 has 4 divisors (see below), whose sum is σ = 34646910. Its totient is φ = 11548968.

The previous prime is 23097929. The next prime is 23097961. The reversal of 23097938 is 83979032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 1129969 = 4687^2 + 1063^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23097895 and 23097904.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5774483 + ... + 5774486.

Almost surely, 2^23097938 is an apocalyptic number.

23097938 is a deficient number, since it is larger than the sum of its proper divisors (11548972).

23097938 is a wasteful number, since it uses less digits than its factorization.

23097938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11548971.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 23097938 is about 4806.0314189568. The cubic root of 23097938 is about 284.7897823971.

The spelling of 23097938 in words is "twenty-three million, ninety-seven thousand, nine hundred thirty-eight".