23632993 has 2 divisors, whose sum is σ = 23632994. Its totient is φ = 23632992.

The previous prime is 23632967. The next prime is 23633021. The reversal of 23632993 is 39923632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 11751184 = 3447^2 + 3428^2 .

It is a cyclic number.

It is not a de Polignac number, because 23632993 - 2¹⁷ = 23501921 is a prime.

It is not a weakly prime, because it can be changed into another prime (23632913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11816496 + 11816497.

It is an arithmetic number, because the mean of its divisors is an integer number (11816497).

Almost surely, 2^23632993 is an apocalyptic number.

It is an amenable number.

23632993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23632993 is an equidigital number, since it uses as much as digits as its factorization.

23632993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 37.

The square root of 23632993 is about 4861.3776853892. The cubic root of 23632993 is about 286.9720336802.

It can be divided in two parts, 2363 and 2993, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 23632993 in words is "twenty-three million, six hundred thirty-two thousand, nine hundred ninety-three".