23057642 has 8 divisors (see below), whose sum is σ = 34904100. Its totient is φ = 11422944.

The previous prime is 23057641. The next prime is 23057669. The reversal of 23057642 is 24675032.

It can be written as a sum of positive squares in 2 ways, for example, as 18567481 + 4490161 = 4309^2 + 2119^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23057641) 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, 52667 + ... + 53102.

Almost surely, 2^23057642 is an apocalyptic number.

23057642 is a deficient number, since it is larger than the sum of its proper divisors (11846458).

23057642 is a wasteful number, since it uses less digits than its factorization.

23057642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105880.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 23057642 is about 4801.8373566792. The cubic root of 23057642 is about 284.6240739682.

The spelling of 23057642 in words is "twenty-three million, fifty-seven thousand, six hundred forty-two".