23933157 has 8 divisors (see below), whose sum is σ = 32513184. Its totient is φ = 15654288.

The previous prime is 23933153. The next prime is 23933197. The reversal of 23933157 is 75133932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23933157 - 2² = 23933153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23933153) 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 7 ways as a sum of consecutive naturals, for example, 75103 + ... + 75420.

It is an arithmetic number, because the mean of its divisors is an integer number (4064148).

Almost surely, 2^23933157 is an apocalyptic number.

It is an amenable number.

23933157 is a deficient number, since it is larger than the sum of its proper divisors (8580027).

23933157 is a wasteful number, since it uses less digits than its factorization.

23933157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150579.

The product of its digits is 17010, while the sum is 33.

The square root of 23933157 is about 4892.1525936953. The cubic root of 23933157 is about 288.1818753779.

It can be divided in two parts, 23933 and 157, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 23933157 in words is "twenty-three million, nine hundred thirty-three thousand, one hundred fifty-seven".