23568442 has 8 divisors (see below), whose sum is σ = 35490996. Its totient is φ = 11738112.

The previous prime is 23568439. The next prime is 23568449. The reversal of 23568442 is 24486532.

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 7958041 = 3951^2 + 2821^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23568398 and 23568407.

It is not an unprimeable number, because it can be changed into a prime (23568449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22413 + ... + 23440.

Almost surely, 2^23568442 is an apocalyptic number.

23568442 is a deficient number, since it is larger than the sum of its proper divisors (11922554).

23568442 is a wasteful number, since it uses less digits than its factorization.

23568442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46112.

The product of its digits is 46080, while the sum is 34.

The square root of 23568442 is about 4854.7339782938. The cubic root of 23568442 is about 286.7105175993.

The spelling of 23568442 in words is "twenty-three million, five hundred sixty-eight thousand, four hundred forty-two".