23982131 has 4 divisors (see below), whose sum is σ = 24037200. Its totient is φ = 23927064.

The previous prime is 23982113. The next prime is 23982137. The reversal of 23982131 is 13128932.

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

It is a cyclic number.

It is not a de Polignac number, because 23982131 - 2⁶ = 23982067 is a prime.

It is a super-2 number, since 2×23982131² = 1150285214602322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23982094 and 23982103.

It is not an unprimeable number, because it can be changed into a prime (23982137) 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, 26876 + ... + 27753.

It is an arithmetic number, because the mean of its divisors is an integer number (6009300).

Almost surely, 2^23982131 is an apocalyptic number.

23982131 is a deficient number, since it is larger than the sum of its proper divisors (55069).

23982131 is an equidigital number, since it uses as much as digits as its factorization.

23982131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55068.

The product of its digits is 2592, while the sum is 29.

The square root of 23982131 is about 4897.1553988004. The cubic root of 23982131 is about 288.3783086275.

The spelling of 23982131 in words is "twenty-three million, nine hundred eighty-two thousand, one hundred thirty-one".