1323607013231 has 2 divisors, whose sum is σ = 1323607013232. Its totient is φ = 1323607013230.

The previous prime is 1323607013227. The next prime is 1323607013291. The reversal of 1323607013231 is 1323107063231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323607013231 - 2² = 1323607013227 is a prime.

It is a super-2 number, since 2×1323607013231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323607013291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661803506615 + 661803506616.

It is an arithmetic number, because the mean of its divisors is an integer number (661803506616).

Almost surely, 2^{1323607013231} is an apocalyptic number.

1323607013231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323607013231 is an equidigital number, since it uses as much as digits as its factorization.

1323607013231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 1323607013231 in words is "one trillion, three hundred twenty-three billion, six hundred seven million, thirteen thousand, two hundred thirty-one".