23680442 has 4 divisors (see below), whose sum is σ = 35520666. Its totient is φ = 11840220.

The previous prime is 23680429. The next prime is 23680469. The reversal of 23680442 is 24408632.

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., 23319241 + 361201 = 4829^2 + 601^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920109 + ... + 5920112.

Almost surely, 2^23680442 is an apocalyptic number.

23680442 is a deficient number, since it is larger than the sum of its proper divisors (11840224).

23680442 is a wasteful number, since it uses less digits than its factorization.

23680442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840223.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 23680442 is about 4866.2554392469. The cubic root of 23680442 is about 287.1639607507.

The spelling of 23680442 in words is "twenty-three million, six hundred eighty thousand, four hundred forty-two".