23666748 has 24 divisors (see below), whose sum is σ = 63111552. Its totient is φ = 6761904.

The previous prime is 23666711. The next prime is 23666749. The reversal of 23666748 is 84766632.

It is a super-2 number, since 2×23666748² = 1120229921791008, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140790 + ... + 140957.

It is an arithmetic number, because the mean of its divisors is an integer number (2629648).

Almost surely, 2^23666748 is an apocalyptic number.

23666748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23666748 is an abundant number, since it is smaller than the sum of its proper divisors (39444804).

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

23666748 is a wasteful number, since it uses less digits than its factorization.

23666748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281761 (or 281759 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 23666748 is about 4864.8481990706. The cubic root of 23666748 is about 287.1085960530.

The spelling of 23666748 in words is "twenty-three million, six hundred sixty-six thousand, seven hundred forty-eight".