23640670 has 8 divisors (see below), whose sum is σ = 42553224. Its totient is φ = 9456264.

The previous prime is 23640667. The next prime is 23640689. The reversal of 23640670 is 7604632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182024 + ... + 1182043.

It is an arithmetic number, because the mean of its divisors is an integer number (5319153).

Almost surely, 2^23640670 is an apocalyptic number.

23640670 is a deficient number, since it is larger than the sum of its proper divisors (18912554).

23640670 is a wasteful number, since it uses less digits than its factorization.

23640670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364074.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 23640670 is about 4862.1672122624. The cubic root of 23640670 is about 287.0031038850.

It can be divided in two parts, 23640 and 670, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 23640670 in words is "twenty-three million, six hundred forty thousand, six hundred seventy".