1312846123 has 2 divisors, whose sum is σ = 1312846124. Its totient is φ = 1312846122.

The previous prime is 1312846081. The next prime is 1312846147. The reversal of 1312846123 is 3216482131.

It is a strong prime.

It is an emirp because it is prime and its reverse (3216482131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312846123 - 2²⁵ = 1279291691 is a prime.

It is a super-2 number, since 2×1312846123² = 3447129885352262258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1312846193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656423061 + 656423062.

It is an arithmetic number, because the mean of its divisors is an integer number (656423062).

Almost surely, 2^1312846123 is an apocalyptic number.

1312846123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312846123 is an equidigital number, since it uses as much as digits as its factorization.

1312846123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1312846123 is about 36233.2185018113. The cubic root of 1312846123 is about 1094.9760211036.

The spelling of 1312846123 in words is "one billion, three hundred twelve million, eight hundred forty-six thousand, one hundred twenty-three".