1312403233 has 8 divisors (see below), whose sum is σ = 1316730240. Its totient is φ = 1308084480.

The previous prime is 1312403201. The next prime is 1312403243. The reversal of 1312403233 is 3323042131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312403233 - 2⁵ = 1312403201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312403243) 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, 482748 + ... + 485458.

It is an arithmetic number, because the mean of its divisors is an integer number (164591280).

Almost surely, 2^1312403233 is an apocalyptic number.

It is an amenable number.

1312403233 is a deficient number, since it is larger than the sum of its proper divisors (4327007).

1312403233 is an equidigital number, since it uses as much as digits as its factorization.

1312403233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1312403233 is about 36227.1063293772. The cubic root of 1312403233 is about 1094.8528768231.

Adding to 1312403233 its reverse (3323042131), we get a palindrome (4635445364).

The spelling of 1312403233 in words is "one billion, three hundred twelve million, four hundred three thousand, two hundred thirty-three".