23608642 has 4 divisors (see below), whose sum is σ = 35412966. Its totient is φ = 11804320.

The previous prime is 23608633. The next prime is 23608643. The reversal of 23608642 is 24680632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23415921 + 192721 = 4839^2 + 439^2 .

It is not an unprimeable number, because it can be changed into a prime (23608643) 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, 5902159 + ... + 5902162.

Almost surely, 2^23608642 is an apocalyptic number.

23608642 is a deficient number, since it is larger than the sum of its proper divisors (11804324).

23608642 is a wasteful number, since it uses less digits than its factorization.

23608642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11804323.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 23608642 is about 4858.8725029579. The cubic root of 23608642 is about 286.8734362450.

The spelling of 23608642 in words is "twenty-three million, six hundred eight thousand, six hundred forty-two".