1312020323 has 2 divisors, whose sum is σ = 1312020324. Its totient is φ = 1312020322.

The previous prime is 1312020317. The next prime is 1312020329. The reversal of 1312020323 is 3230202131.

It is a balanced prime because it is at equal distance from previous prime (1312020317) and next prime (1312020329).

It is a cyclic number.

It is not a de Polignac number, because 1312020323 - 2¹⁰ = 1312019299 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312020329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656010161 + 656010162.

It is an arithmetic number, because the mean of its divisors is an integer number (656010162).

Almost surely, 2^1312020323 is an apocalyptic number.

1312020323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312020323 is an equidigital number, since it uses as much as digits as its factorization.

1312020323 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 1312020323 is about 36221.8210889513. The cubic root of 1312020323 is about 1094.7463874752.

Adding to 1312020323 its reverse (3230202131), we get a palindrome (4542222454).

The spelling of 1312020323 in words is "one billion, three hundred twelve million, twenty thousand, three hundred twenty-three".