12311233 has 8 divisors (see below), whose sum is σ = 14014656. Its totient is φ = 10705200.

The previous prime is 12311219. The next prime is 12311251. The reversal of 12311233 is 33211321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12311233 - 2⁹ = 12310721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311333) 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, 24078 + ... + 24583.

It is an arithmetic number, because the mean of its divisors is an integer number (1751832).

Almost surely, 2^12311233 is an apocalyptic number.

It is an amenable number.

12311233 is a deficient number, since it is larger than the sum of its proper divisors (1703423).

12311233 is a wasteful number, since it uses less digits than its factorization.

12311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48695.

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

The square root of 12311233 is about 3508.7366672351. The cubic root of 12311233 is about 230.9052727797.

Adding to 12311233 its reverse (33211321), we get a palindrome (45522554).

It can be divided in two parts, 12311 and 233, that added together give a square (12544 = 112²).

The spelling of 12311233 in words is "twelve million, three hundred eleven thousand, two hundred thirty-three".