23478804 has 18 divisors (see below), whose sum is σ = 59349290. Its totient is φ = 7826256.

The previous prime is 23478787. The next prime is 23478809. The reversal of 23478804 is 40887432.

It can be written as a sum of positive squares in only one way, i.e., 22752900 + 725904 = 4770^2 + 852^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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), and also a Moran number because the ratio is a prime number: 652189 = 23478804 / (2 + 3 + 4 + 7 + 8 + 8 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23478809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326059 + ... + 326130.

Almost surely, 2^23478804 is an apocalyptic number.

It is an amenable number.

23478804 is an abundant number, since it is smaller than the sum of its proper divisors (35870486).

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

23478804 is a wasteful number, since it uses less digits than its factorization.

23478804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652199 (or 652194 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 23478804 is about 4845.4931637554. The cubic root of 23478804 is about 286.3465731879.

The spelling of 23478804 in words is "twenty-three million, four hundred seventy-eight thousand, eight hundred four".