1312401023 has 2 divisors, whose sum is σ = 1312401024. Its totient is φ = 1312401022.

The previous prime is 1312401017. The next prime is 1312401047. The reversal of 1312401023 is 3201042131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312401023 - 2⁴ = 1312401007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312400992 and 1312401010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312401053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656200511 + 656200512.

It is an arithmetic number, because the mean of its divisors is an integer number (656200512).

Almost surely, 2^1312401023 is an apocalyptic number.

1312401023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312401023 is an equidigital number, since it uses as much as digits as its factorization.

1312401023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1312401023 is about 36227.0758273422. The cubic root of 1312401023 is about 1094.8522622696.

Adding to 1312401023 its reverse (3201042131), we get a palindrome (4513443154).

The spelling of 1312401023 in words is "one billion, three hundred twelve million, four hundred one thousand, twenty-three".