23073938 has 4 divisors (see below), whose sum is σ = 34610910. Its totient is φ = 11536968.

The previous prime is 23073931. The next prime is 23073943. The reversal of 23073938 is 83937032.

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., 22629049 + 444889 = 4757^2 + 667^2 .

It is a super-2 number, since 2×23073938² = 1064813229655688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23073898 and 23073907.

It is not an unprimeable number, because it can be changed into a prime (23073931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768483 + ... + 5768486.

Almost surely, 2^23073938 is an apocalyptic number.

23073938 is a deficient number, since it is larger than the sum of its proper divisors (11536972).

23073938 is a wasteful number, since it uses less digits than its factorization.

23073938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11536971.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 23073938 is about 4803.5339074477. The cubic root of 23073938 is about 284.6911109134.

The spelling of 23073938 in words is "twenty-three million, seventy-three thousand, nine hundred thirty-eight".