23236157 has 8 divisors (see below), whose sum is σ = 26726016. Its totient is φ = 19788912.

The previous prime is 23236151. The next prime is 23236177. The reversal of 23236157 is 75163232.

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

It is a cyclic number.

It is not a de Polignac number, because 23236157 - 2¹⁰ = 23235133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23236151) 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, 9473 + ... + 11670.

It is an arithmetic number, because the mean of its divisors is an integer number (3340752).

Almost surely, 2^23236157 is an apocalyptic number.

It is an amenable number.

23236157 is a deficient number, since it is larger than the sum of its proper divisors (3489859).

23236157 is a wasteful number, since it uses less digits than its factorization.

23236157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21307.

The product of its digits is 7560, while the sum is 29.

The square root of 23236157 is about 4820.3897145355. The cubic root of 23236157 is about 285.3567175872.

Adding to 23236157 its reverse (75163232), we get a palindrome (98399389).

The spelling of 23236157 in words is "twenty-three million, two hundred thirty-six thousand, one hundred fifty-seven".