23478712 has 8 divisors (see below), whose sum is σ = 44022600. Its totient is φ = 11739352.

The previous prime is 23478703. The next prime is 23478713. The reversal of 23478712 is 21787432.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23478713) 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, 1467412 + ... + 1467427.

It is an arithmetic number, because the mean of its divisors is an integer number (5502825).

Almost surely, 2^23478712 is an apocalyptic number.

It is an amenable number.

23478712 is a deficient number, since it is larger than the sum of its proper divisors (20543888).

23478712 is a wasteful number, since it uses less digits than its factorization.

23478712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934845 (or 2934841 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 23478712 is about 4845.4836703883. The cubic root of 23478712 is about 286.3461991780.

The spelling of 23478712 in words is "twenty-three million, four hundred seventy-eight thousand, seven hundred twelve".