23642642 has 8 divisors (see below), whose sum is σ = 35556300. Its totient is φ = 11790544.

The previous prime is 23642639. The next prime is 23642653. The reversal of 23642642 is 24624632.

It can be written as a sum of positive squares in 2 ways, for example, as 23609881 + 32761 = 4859^2 + 181^2 .

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

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, 14417 + ... + 15972.

Almost surely, 2^23642642 is an apocalyptic number.

23642642 is a deficient number, since it is larger than the sum of its proper divisors (11913658).

23642642 is a wasteful number, since it uses less digits than its factorization.

23642642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30780.

The product of its digits is 13824, while the sum is 29.

The square root of 23642642 is about 4862.3699982622. The cubic root of 23642642 is about 287.0110838391.

The spelling of 23642642 in words is "twenty-three million, six hundred forty-two thousand, six hundred forty-two".