23616442 has 4 divisors (see below), whose sum is σ = 35424666. Its totient is φ = 11808220.

The previous prime is 23616433. The next prime is 23616443. The reversal of 23616442 is 24461632.

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., 23609881 + 6561 = 4859^2 + 81^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23616442.

It is not an unprimeable number, because it can be changed into a prime (23616443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5904109 + ... + 5904112.

Almost surely, 2^23616442 is an apocalyptic number.

23616442 is a deficient number, since it is larger than the sum of its proper divisors (11808224).

23616442 is a wasteful number, since it uses less digits than its factorization.

23616442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11808223.

The product of its digits is 6912, while the sum is 28.

The square root of 23616442 is about 4859.6750920200. The cubic root of 23616442 is about 286.9050258980.

The spelling of 23616442 in words is "twenty-three million, six hundred sixteen thousand, four hundred forty-two".