123021411397 has 2 divisors, whose sum is σ = 123021411398. Its totient is φ = 123021411396.

The previous prime is 123021411367. The next prime is 123021411439. The reversal of 123021411397 is 793114120321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119573490436 + 3447920961 = 345794^2 + 58719^2 .

It is an emirp because it is prime and its reverse (793114120321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123021411397 - 2¹¹ = 123021409349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123021411347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510705698 + 61510705699.

It is an arithmetic number, because the mean of its divisors is an integer number (61510705699).

Almost surely, 2^123021411397 is an apocalyptic number.

It is an amenable number.

123021411397 is a deficient number, since it is larger than the sum of its proper divisors (1).

123021411397 is an equidigital number, since it uses as much as digits as its factorization.

123021411397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 123021411397 in words is "one hundred twenty-three billion, twenty-one million, four hundred eleven thousand, three hundred ninety-seven".