123298477097 has 2 divisors, whose sum is σ = 123298477098. Its totient is φ = 123298477096.

The previous prime is 123298477069. The next prime is 123298477121. The reversal of 123298477097 is 790774892321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106704142336 + 16594334761 = 326656^2 + 128819^2 .

It is an emirp because it is prime and its reverse (790774892321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123298477097 - 2²⁶ = 123231368233 is a prime.

It is not a weakly prime, because it can be changed into another prime (123298677097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61649238548 + 61649238549.

It is an arithmetic number, because the mean of its divisors is an integer number (61649238549).

Almost surely, 2^123298477097 is an apocalyptic number.

It is an amenable number.

123298477097 is a deficient number, since it is larger than the sum of its proper divisors (1).

123298477097 is an equidigital number, since it uses as much as digits as its factorization.

123298477097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 123298477097 in words is "one hundred twenty-three billion, two hundred ninety-eight million, four hundred seventy-seven thousand, ninety-seven".