23985156 has 36 divisors (see below), whose sum is σ = 60606672. Its totient is φ = 7379424.

The previous prime is 23985151. The next prime is 23985161. The reversal of 23985156 is 65158932.

It is an interprime number because it is at equal distance from previous prime (23985151) and next prime (23985161).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (23985151) 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 11 ways as a sum of consecutive naturals, for example, 3886 + ... + 7941.

Almost surely, 2^23985156 is an apocalyptic number.

23985156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23985156 is an abundant number, since it is smaller than the sum of its proper divisors (36621516).

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

23985156 is a wasteful number, since it uses less digits than its factorization.

23985156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860 (or 11845 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 23985156 is about 4897.4642418296. The cubic root of 23985156 is about 288.3904330395.

The spelling of 23985156 in words is "twenty-three million, nine hundred eighty-five thousand, one hundred fifty-six".