123321301331087 has 2 divisors, whose sum is σ = 123321301331088. Its totient is φ = 123321301331086.

The previous prime is 123321301331083. The next prime is 123321301331149. The reversal of 123321301331087 is 780133103123321.

It is a weak prime.

It is an emirp because it is prime and its reverse (780133103123321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123321301331087 - 2² = 123321301331083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123321301331087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321301331083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660650665543 + 61660650665544.

It is an arithmetic number, because the mean of its divisors is an integer number (61660650665544).

Almost surely, 2^{123321301331087} is an apocalyptic number.

123321301331087 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321301331087 is an equidigital number, since it uses as much as digits as its factorization.

123321301331087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 123321301331087 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, three hundred one million, three hundred thirty-one thousand, eighty-seven".