23311304 has 8 divisors (see below), whose sum is σ = 43708710. Its totient is φ = 11655648.

The previous prime is 23311303. The next prime is 23311307. The reversal of 23311304 is 40311332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 11546404 = 3430^2 + 3398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (23311303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1456949 + ... + 1456964.

Almost surely, 2^23311304 is an apocalyptic number.

It is an amenable number.

23311304 is a deficient number, since it is larger than the sum of its proper divisors (20397406).

23311304 is a wasteful number, since it uses less digits than its factorization.

23311304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913919 (or 2913915 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23311304 is about 4828.1781243032. The cubic root of 23311304 is about 285.6640062953.

Adding to 23311304 its reverse (40311332), we get a palindrome (63622636).

The spelling of 23311304 in words is "twenty-three million, three hundred eleven thousand, three hundred four".