23708157 has 16 divisors (see below), whose sum is σ = 35418432. Its totient is φ = 13979520.

The previous prime is 23708131. The next prime is 23708159. The reversal of 23708157 is 75180732.

It is not a de Polignac number, because 23708157 - 2¹⁰ = 23707133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23708159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8488 + ... + 10929.

It is an arithmetic number, because the mean of its divisors is an integer number (2213652).

Almost surely, 2^23708157 is an apocalyptic number.

It is an amenable number.

23708157 is a deficient number, since it is larger than the sum of its proper divisors (11710275).

23708157 is a wasteful number, since it uses less digits than its factorization.

23708157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 23708157 is about 4869.1022786547. The cubic root of 23708157 is about 287.2759469245.

Adding to 23708157 its reverse (75180732), we get a palindrome (98888889).

The spelling of 23708157 in words is "twenty-three million, seven hundred eight thousand, one hundred fifty-seven".