23313442 has 4 divisors (see below), whose sum is σ = 34970166. Its totient is φ = 11656720.

The previous prime is 23313431. The next prime is 23313449. The reversal of 23313442 is 24431332.

It is a happy number.

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., 13771521 + 9541921 = 3711^2 + 3089^2 .

It is not an unprimeable number, because it can be changed into a prime (23313449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828359 + ... + 5828362.

Almost surely, 2^23313442 is an apocalyptic number.

23313442 is a deficient number, since it is larger than the sum of its proper divisors (11656724).

23313442 is a wasteful number, since it uses less digits than its factorization.

23313442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656723.

The product of its digits is 1728, while the sum is 22.

The square root of 23313442 is about 4828.3995277939. The cubic root of 23313442 is about 285.6727392684.

Adding to 23313442 its reverse (24431332), we get a palindrome (47744774).

The spelling of 23313442 in words is "twenty-three million, three hundred thirteen thousand, four hundred forty-two".