12232311 has 48 divisors (see below), whose sum is σ = 21105504. Its totient is φ = 6241536.

The previous prime is 12232289. The next prime is 12232327. The reversal of 12232311 is 11323221.

It is not a de Polignac number, because 12232311 - 2⁵ = 12232279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70621 + ... + 70793.

It is an arithmetic number, because the mean of its divisors is an integer number (439698).

Almost surely, 2^12232311 is an apocalyptic number.

12232311 is a deficient number, since it is larger than the sum of its proper divisors (8873193).

12232311 is a wasteful number, since it uses less digits than its factorization.

12232311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 233 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 12232311 is about 3497.4720870938. The cubic root of 12232311 is about 230.4108033189.

Adding to 12232311 its reverse (11323221), we get a palindrome (23555532).

The spelling of 12232311 in words is "twelve million, two hundred thirty-two thousand, three hundred eleven".