23461664 has 12 divisors (see below), whose sum is σ = 46190214. Its totient is φ = 11730816.

The previous prime is 23461651. The next prime is 23461687. The reversal of 23461664 is 46616432.

It can be written as a sum of positive squares in only one way, i.e., 12306064 + 11155600 = 3508^2 + 3340^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 733177 = 23461664 / (2 + 3 + 4 + 6 + 1 + 6 + 6 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 23461664.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366557 + ... + 366620.

Almost surely, 2^23461664 is an apocalyptic number.

It is an amenable number.

23461664 is a deficient number, since it is larger than the sum of its proper divisors (22728550).

23461664 is an equidigital number, since it uses as much as digits as its factorization.

23461664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733187 (or 733179 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 23461664 is about 4843.7241870280. The cubic root of 23461664 is about 286.2768766359.

The spelling of 23461664 in words is "twenty-three million, four hundred sixty-one thousand, six hundred sixty-four".