23406472 has 8 divisors (see below), whose sum is σ = 43887150. Its totient is φ = 11703232.

The previous prime is 23406469. The next prime is 23406473. The reversal of 23406472 is 27460432.

It can be written as a sum of positive squares in only one way, i.e., 13883076 + 9523396 = 3726^2 + 3086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23406472.

It is not an unprimeable number, because it can be changed into a prime (23406473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1462897 + ... + 1462912.

Almost surely, 2^23406472 is an apocalyptic number.

It is an amenable number.

23406472 is a deficient number, since it is larger than the sum of its proper divisors (20480678).

23406472 is a wasteful number, since it uses less digits than its factorization.

23406472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925815 (or 2925811 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 23406472 is about 4838.0235633986. The cubic root of 23406472 is about 286.0522179582.

The spelling of 23406472 in words is "twenty-three million, four hundred six thousand, four hundred seventy-two".