23293642 has 4 divisors (see below), whose sum is σ = 34940466. Its totient is φ = 11646820.

The previous prime is 23293637. The next prime is 23293649. The reversal of 23293642 is 24639232.

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., 17048641 + 6245001 = 4129^2 + 2499^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23293649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823409 + ... + 5823412.

Almost surely, 2^23293642 is an apocalyptic number.

23293642 is a deficient number, since it is larger than the sum of its proper divisors (11646824).

23293642 is a wasteful number, since it uses less digits than its factorization.

23293642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646823.

The product of its digits is 15552, while the sum is 31.

The square root of 23293642 is about 4826.3487234140. The cubic root of 23293642 is about 285.5918428441.

The spelling of 23293642 in words is "twenty-three million, two hundred ninety-three thousand, six hundred forty-two".