23686812 has 36 divisors (see below), whose sum is σ = 60147360. Its totient is φ = 7859712.

The previous prime is 23686811. The next prime is 23686841. The reversal of 23686812 is 21868632.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×23686812² = 1122130125446688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23686811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7228 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^23686812 is an apocalyptic number.

It is an amenable number.

23686812 is an abundant number, since it is smaller than the sum of its proper divisors (36460548).

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

23686812 is a wasteful number, since it uses less digits than its factorization.

23686812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002 (or 2997 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 23686812 is about 4866.9099025973. The cubic root of 23686812 is about 287.1897073201.

It can be divided in two parts, 2368 and 6812, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 23686812 in words is "twenty-three million, six hundred eighty-six thousand, eight hundred twelve".