23487870 has 32 divisors (see below), whose sum is σ = 64424448. Its totient is φ = 5368608.

The previous prime is 23487869. The next prime is 23487923. The reversal of 23487870 is 7878432.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55714 + ... + 56133.

It is an arithmetic number, because the mean of its divisors is an integer number (2013264).

Almost surely, 2^23487870 is an apocalyptic number.

23487870 is an abundant number, since it is smaller than the sum of its proper divisors (40936578).

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

23487870 is a wasteful number, since it uses less digits than its factorization.

23487870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111864.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 23487870 is about 4846.4285819560. The cubic root of 23487870 is about 286.3834246387.

The spelling of 23487870 in words is "twenty-three million, four hundred eighty-seven thousand, eight hundred seventy".