1323022186957 has 2 divisors, whose sum is σ = 1323022186958. Its totient is φ = 1323022186956.

The previous prime is 1323022186921. The next prime is 1323022187051. The reversal of 1323022186957 is 7596812203231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1153978686756 + 169043500201 = 1074234^2 + 411149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323022186957 - 2³⁹ = 773266373069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323022186957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323022180957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661511093478 + 661511093479.

It is an arithmetic number, because the mean of its divisors is an integer number (661511093479).

Almost surely, 2^{1323022186957} is an apocalyptic number.

It is an amenable number.

1323022186957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323022186957 is an equidigital number, since it uses as much as digits as its factorization.

1323022186957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 1323022186957 in words is "one trillion, three hundred twenty-three billion, twenty-two million, one hundred eighty-six thousand, nine hundred fifty-seven".