23989308 has 48 divisors (see below), whose sum is σ = 64264704. Its totient is φ = 6822720.

The previous prime is 23989307. The next prime is 23989309. The reversal of 23989308 is 80398932.

It is an interprime number because it is at equal distance from previous prime (23989307) and next prime (23989309).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 23989308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23989307) 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, 22753 + ... + 23783.

It is an arithmetic number, because the mean of its divisors is an integer number (1338848).

Almost surely, 2^23989308 is an apocalyptic number.

23989308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23989308 is an abundant number, since it is smaller than the sum of its proper divisors (40275396).

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

23989308 is a wasteful number, since it uses less digits than its factorization.

23989308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 23989308 is about 4897.8881163212. Note that the first 3 decimals coincide. The cubic root of 23989308 is about 288.4070728867.

The spelling of 23989308 in words is "twenty-three million, nine hundred eighty-nine thousand, three hundred eight".