23513868 has 96 divisors (see below), whose sum is σ = 73382400. Its totient is φ = 6360768.

The previous prime is 23513863. The next prime is 23513879. The reversal of 23513868 is 86831532.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23513863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13546 + ... + 15182.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^23513868 is an apocalyptic number.

23513868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23513868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36691200).

23513868 is an abundant number, since it is smaller than the sum of its proper divisors (49868532).

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

23513868 is a wasteful number, since it uses less digits than its factorization.

23513868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1668 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 23513868 is about 4849.1100214369. The cubic root of 23513868 is about 286.4890486754.

The spelling of 23513868 in words is "twenty-three million, five hundred thirteen thousand, eight hundred sixty-eight".