23881933 has 2 divisors, whose sum is σ = 23881934. Its totient is φ = 23881932.

The previous prime is 23881903. The next prime is 23881939. The reversal of 23881933 is 33918832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16499844 + 7382089 = 4062^2 + 2717^2 .

It is a cyclic number.

It is not a de Polignac number, because 23881933 - 2⁵ = 23881901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23881892 and 23881901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23881939) 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 as a sum of consecutive naturals, namely, 11940966 + 11940967.

It is an arithmetic number, because the mean of its divisors is an integer number (11940967).

Almost surely, 2^23881933 is an apocalyptic number.

It is an amenable number.

23881933 is a deficient number, since it is larger than the sum of its proper divisors (1).

23881933 is an equidigital number, since it uses as much as digits as its factorization.

23881933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 23881933 is about 4886.9144662046. The cubic root of 23881933 is about 287.9761305127.

The spelling of 23881933 in words is "twenty-three million, eight hundred eighty-one thousand, nine hundred thirty-three".