1323406624157 has 2 divisors, whose sum is σ = 1323406624158. Its totient is φ = 1323406624156.

The previous prime is 1323406624147. The next prime is 1323406624171. The reversal of 1323406624157 is 7514266043231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1262883735961 + 60522888196 = 1123781^2 + 246014^2 .

It is an emirp because it is prime and its reverse (7514266043231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323406624157 - 2⁶ = 1323406624093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323406624117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661703312078 + 661703312079.

It is an arithmetic number, because the mean of its divisors is an integer number (661703312079).

Almost surely, 2^{1323406624157} is an apocalyptic number.

It is an amenable number.

1323406624157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323406624157 is an equidigital number, since it uses as much as digits as its factorization.

1323406624157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 1323406624157 in words is "one trillion, three hundred twenty-three billion, four hundred six million, six hundred twenty-four thousand, one hundred fifty-seven".