1323100997 has 2 divisors, whose sum is σ = 1323100998. Its totient is φ = 1323100996.

The previous prime is 1323100993. The next prime is 1323101009. The reversal of 1323100997 is 7990013231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986525281 + 336575716 = 31409^2 + 18346^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323100997 - 2² = 1323100993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323100991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661550498 + 661550499.

It is an arithmetic number, because the mean of its divisors is an integer number (661550499).

Almost surely, 2^1323100997 is an apocalyptic number.

It is an amenable number.

1323100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323100997 is an equidigital number, since it uses as much as digits as its factorization.

1323100997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1323100997 is about 36374.4552811448. The cubic root of 1323100997 is about 1097.8196472091.

The spelling of 1323100997 in words is "one billion, three hundred twenty-three million, one hundred thousand, nine hundred ninety-seven".