23271983 has 4 divisors (see below), whose sum is σ = 26596560. Its totient is φ = 19947408.

The previous prime is 23271977. The next prime is 23271991. The reversal of 23271983 is 38917232.

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 23271983 - 2⁸ = 23271727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23271973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662278 + ... + 1662291.

It is an arithmetic number, because the mean of its divisors is an integer number (6649140).

Almost surely, 2^23271983 is an apocalyptic number.

23271983 is a deficient number, since it is larger than the sum of its proper divisors (3324577).

23271983 is an equidigital number, since it uses as much as digits as its factorization.

23271983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324576.

The product of its digits is 18144, while the sum is 35.

The square root of 23271983 is about 4824.1043728344. The cubic root of 23271983 is about 285.5032986268.

The spelling of 23271983 in words is "twenty-three million, two hundred seventy-one thousand, nine hundred eighty-three".