23508156 has 48 divisors (see below), whose sum is σ = 63639296. Its totient is φ = 6614784.

The previous prime is 23508151. The next prime is 23508167. The reversal of 23508156 is 65180532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23508151) 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, 3540 + ... + 7716.

Almost surely, 2^23508156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23508156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31819648).

23508156 is an abundant number, since it is smaller than the sum of its proper divisors (40131140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23508156 is a wasteful number, since it uses less digits than its factorization.

23508156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258 (or 4256 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 23508156 is about 4848.5210116076. The cubic root of 23508156 is about 286.4658487781.

Adding to 23508156 its reverse (65180532), we get a palindrome (88688688).

The spelling of 23508156 in words is "twenty-three million, five hundred eight thousand, one hundred fifty-six".