23089157 has 16 divisors (see below), whose sum is σ = 28530432. Its totient is φ = 18195840.

The previous prime is 23089153. The next prime is 23089159. The reversal of 23089157 is 75198032.

It is not a de Polignac number, because 23089157 - 2² = 23089153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23089153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44057 + ... + 44577.

It is an arithmetic number, because the mean of its divisors is an integer number (1783152).

Almost surely, 2^23089157 is an apocalyptic number.

It is an amenable number.

23089157 is a deficient number, since it is larger than the sum of its proper divisors (5441275).

23089157 is a wasteful number, since it uses less digits than its factorization.

23089157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 23089157 is about 4805.1177925208. The cubic root of 23089157 is about 284.7536889004.

The spelling of 23089157 in words is "twenty-three million, eighty-nine thousand, one hundred fifty-seven".