23502442 has 4 divisors (see below), whose sum is σ = 35253666. Its totient is φ = 11751220.

The previous prime is 23502439. The next prime is 23502463. The reversal of 23502442 is 24420532.

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., 15374241 + 8128201 = 3921^2 + 2851^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875609 + ... + 5875612.

Almost surely, 2^23502442 is an apocalyptic number.

23502442 is a deficient number, since it is larger than the sum of its proper divisors (11751224).

23502442 is a wasteful number, since it uses less digits than its factorization.

23502442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11751223.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 23502442 is about 4847.9317239417. The cubic root of 23502442 is about 286.4426369972.

Adding to 23502442 its reverse (24420532), we get a palindrome (47922974).

The spelling of 23502442 in words is "twenty-three million, five hundred two thousand, four hundred forty-two".