23878983 has 4 divisors (see below), whose sum is σ = 31838648. Its totient is φ = 15919320.

The previous prime is 23878979. The next prime is 23878997. The reversal of 23878983 is 38987832.

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

It is not a de Polignac number, because 23878983 - 2² = 23878979 is a prime.

It is a super-2 number, since 2×23878983² = 1140411658228578, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3979828 + ... + 3979833.

It is an arithmetic number, because the mean of its divisors is an integer number (7959662).

Almost surely, 2^23878983 is an apocalyptic number.

23878983 is a deficient number, since it is larger than the sum of its proper divisors (7959665).

23878983 is an equidigital number, since it uses as much as digits as its factorization.

23878983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7959664.

The product of its digits is 580608, while the sum is 48.

The square root of 23878983 is about 4886.6126304425. The cubic root of 23878983 is about 287.9642726707.

The spelling of 23878983 in words is "twenty-three million, eight hundred seventy-eight thousand, nine hundred eighty-three".