23938881 has 8 divisors (see below), whose sum is σ = 32520960. Its totient is φ = 15658032.

The previous prime is 23938877. The next prime is 23938897. The reversal of 23938881 is 18883932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23938881 - 2² = 23938877 is a prime.

It is a super-2 number, since 2×23938881² = 1146140047064322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23938801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75121 + ... + 75438.

It is an arithmetic number, because the mean of its divisors is an integer number (4065120).

Almost surely, 2^23938881 is an apocalyptic number.

It is an amenable number.

23938881 is a deficient number, since it is larger than the sum of its proper divisors (8582079).

23938881 is a wasteful number, since it uses less digits than its factorization.

23938881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150615.

The product of its digits is 82944, while the sum is 42.

The square root of 23938881 is about 4892.7375772669. The cubic root of 23938881 is about 288.2048479923.

The spelling of 23938881 in words is "twenty-three million, nine hundred thirty-eight thousand, eight hundred eighty-one".