123321022997 has 2 divisors, whose sum is σ = 123321022998. Its totient is φ = 123321022996.

The previous prime is 123321022969. The next prime is 123321023047. The reversal of 123321022997 is 799220123321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81060353521 + 42260669476 = 284711^2 + 205574^2 .

It is an emirp because it is prime and its reverse (799220123321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123321022997 - 2⁶ = 123321022933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123321022397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660511498 + 61660511499.

It is an arithmetic number, because the mean of its divisors is an integer number (61660511499).

Almost surely, 2^123321022997 is an apocalyptic number.

It is an amenable number.

123321022997 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321022997 is an equidigital number, since it uses as much as digits as its factorization.

123321022997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 123321022997 in words is "one hundred twenty-three billion, three hundred twenty-one million, twenty-two thousand, nine hundred ninety-seven".