23506156 has 12 divisors (see below), whose sum is σ = 41171368. Its totient is φ = 11742912.

The previous prime is 23506141. The next prime is 23506159. The reversal of 23506156 is 65160532.

It is not an unprimeable number, because it can be changed into a prime (23506159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455 + ... + 8761.

Almost surely, 2^23506156 is an apocalyptic number.

It is an amenable number.

23506156 is a deficient number, since it is larger than the sum of its proper divisors (17665212).

23506156 is a wasteful number, since it uses less digits than its factorization.

23506156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088 (or 5086 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 23506156 is about 4848.3147587590. The cubic root of 23506156 is about 286.4577246765.

Adding to 23506156 its reverse (65160532), we get a palindrome (88666688).

The spelling of 23506156 in words is "twenty-three million, five hundred six thousand, one hundred fifty-six".