23982431 has 4 divisors (see below), whose sum is σ = 26162664. Its totient is φ = 21802200.

The previous prime is 23982407. The next prime is 23982443. The reversal of 23982431 is 13428932.

It is a happy number.

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 23982431 - 2⁶ = 23982367 is a prime.

It is a super-2 number, since 2×23982431² = 1150313993339522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090100 + ... + 1090121.

It is an arithmetic number, because the mean of its divisors is an integer number (6540666).

Almost surely, 2^23982431 is an apocalyptic number.

23982431 is a deficient number, since it is larger than the sum of its proper divisors (2180233).

23982431 is a wasteful number, since it uses less digits than its factorization.

23982431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180232.

The product of its digits is 10368, while the sum is 32.

The square root of 23982431 is about 4897.1860287312. The cubic root of 23982431 is about 288.3795110941.

The spelling of 23982431 in words is "twenty-three million, nine hundred eighty-two thousand, four hundred thirty-one".