23242042 has 8 divisors (see below), whose sum is σ = 34923636. Its totient is φ = 11600832.

The previous prime is 23242027. The next prime is 23242067. The reversal of 23242042 is 24024232.

It is a Cunningham number, because it is equal to 4821²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 23242041 + 1 = 4821^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8613 + ... + 10984.

Almost surely, 2^23242042 is an apocalyptic number.

23242042 is a deficient number, since it is larger than the sum of its proper divisors (11681594).

23242042 is a wasteful number, since it uses less digits than its factorization.

23242042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23242042 is about 4821.0001037129. Note that the first 3 decimals coincide. The cubic root of 23242042 is about 285.3808062310.

Adding to 23242042 its reverse (24024232), we get a palindrome (47266274).

The spelling of 23242042 in words is "twenty-three million, two hundred forty-two thousand, forty-two".