1312002323 has 2 divisors, whose sum is σ = 1312002324. Its totient is φ = 1312002322.

The previous prime is 1312002287. The next prime is 1312002343. The reversal of 1312002323 is 3232002131.

It is a strong prime.

It is an emirp because it is prime and its reverse (3232002131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312002323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312002343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656001161 + 656001162.

It is an arithmetic number, because the mean of its divisors is an integer number (656001162).

Almost surely, 2^1312002323 is an apocalyptic number.

1312002323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312002323 is an equidigital number, since it uses as much as digits as its factorization.

1312002323 is an evil number, because the sum of its binary digits is even.

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

The square root of 1312002323 is about 36221.5726190899. The cubic root of 1312002323 is about 1094.7413810677.

Adding to 1312002323 its reverse (3232002131), we get a palindrome (4544004454).

The spelling of 1312002323 in words is "one billion, three hundred twelve million, two thousand, three hundred twenty-three".