1323120310937 has 2 divisors, whose sum is σ = 1323120310938. Its totient is φ = 1323120310936.

The previous prime is 1323120310933. The next prime is 1323120311011. The reversal of 1323120310937 is 7390130213231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1303476606601 + 19643704336 = 1141699^2 + 140156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323120310937 - 2² = 1323120310933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323120310897 and 1323120310906.

It is not a weakly prime, because it can be changed into another prime (1323120310933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661560155468 + 661560155469.

It is an arithmetic number, because the mean of its divisors is an integer number (661560155469).

Almost surely, 2^{1323120310937} is an apocalyptic number.

It is an amenable number.

1323120310937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323120310937 is an equidigital number, since it uses as much as digits as its factorization.

1323120310937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 1323120310937 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, three hundred ten thousand, nine hundred thirty-seven".