1312841623 has 2 divisors, whose sum is σ = 1312841624. Its totient is φ = 1312841622.

The previous prime is 1312841611. The next prime is 1312841653. The reversal of 1312841623 is 3261482131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312841623 - 2⁵ = 1312841591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312841653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656420811 + 656420812.

It is an arithmetic number, because the mean of its divisors is an integer number (656420812).

Almost surely, 2^1312841623 is an apocalyptic number.

1312841623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312841623 is an equidigital number, since it uses as much as digits as its factorization.

1312841623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 1312841623 is about 36233.1564040452. The cubic root of 1312841623 is about 1094.9747700309.

The spelling of 1312841623 in words is "one billion, three hundred twelve million, eight hundred forty-one thousand, six hundred twenty-three".