23318242 has 4 divisors (see below), whose sum is σ = 34977366. Its totient is φ = 11659120.

The previous prime is 23318227. The next prime is 23318249. The reversal of 23318242 is 24281332.

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., 23222761 + 95481 = 4819^2 + 309^2 .

It is not an unprimeable number, because it can be changed into a prime (23318249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5829559 + ... + 5829562.

Almost surely, 2^23318242 is an apocalyptic number.

23318242 is a deficient number, since it is larger than the sum of its proper divisors (11659124).

23318242 is a wasteful number, since it uses less digits than its factorization.

23318242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11659123.

The product of its digits is 2304, while the sum is 25.

The square root of 23318242 is about 4828.8965613274. The cubic root of 23318242 is about 285.6923436245.

Adding to 23318242 its reverse (24281332), we get a palindrome (47599574).

The spelling of 23318242 in words is "twenty-three million, three hundred eighteen thousand, two hundred forty-two".