23311042 has 16 divisors (see below), whose sum is σ = 36362592. Its totient is φ = 11198880.

The previous prime is 23311037. The next prime is 23311049. The reversal of 23311042 is 24011332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23311049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3373 + ... + 7615.

It is an arithmetic number, because the mean of its divisors is an integer number (2272662).

Almost surely, 2^23311042 is an apocalyptic number.

23311042 is a deficient number, since it is larger than the sum of its proper divisors (13051550).

23311042 is a wasteful number, since it uses less digits than its factorization.

23311042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23311042 is about 4828.1509918394. The cubic root of 23311042 is about 285.6629360813.

Adding to 23311042 its reverse (24011332), we get a palindrome (47322374).

The spelling of 23311042 in words is "twenty-three million, three hundred eleven thousand, forty-two".