12323311 has 24 divisors (see below), whose sum is σ = 16654464. Its totient is φ = 8854560.

The previous prime is 12323299. The next prime is 12323321. The reversal of 12323311 is 11332321.

It is not a de Polignac number, because 12323311 - 2¹⁷ = 12192239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12540 + ... + 13486.

It is an arithmetic number, because the mean of its divisors is an integer number (693936).

Almost surely, 2^12323311 is an apocalyptic number.

12323311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12323311 is a deficient number, since it is larger than the sum of its proper divisors (4331153).

12323311 is a wasteful number, since it uses less digits than its factorization.

12323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 978 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 12323311 is about 3510.4573776077. The cubic root of 12323311 is about 230.9807583780.

Adding to 12323311 its reverse (11332321), we get a palindrome (23655632).

It can be divided in two parts, 12 and 323311, that added together give a palindrome (323323).

The spelling of 12323311 in words is "twelve million, three hundred twenty-three thousand, three hundred eleven".