123077245397 has 2 divisors, whose sum is σ = 123077245398. Its totient is φ = 123077245396.

The previous prime is 123077245349. The next prime is 123077245411. The reversal of 123077245397 is 793542770321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89576898436 + 33500346961 = 299294^2 + 183031^2 .

It is a cyclic number.

It is not a de Polignac number, because 123077245397 - 2¹⁰ = 123077244373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123077245327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61538622698 + 61538622699.

It is an arithmetic number, because the mean of its divisors is an integer number (61538622699).

Almost surely, 2^123077245397 is an apocalyptic number.

It is an amenable number.

123077245397 is a deficient number, since it is larger than the sum of its proper divisors (1).

123077245397 is an equidigital number, since it uses as much as digits as its factorization.

123077245397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 123077245397 in words is "one hundred twenty-three billion, seventy-seven million, two hundred forty-five thousand, three hundred ninety-seven".