123184280497 has 2 divisors, whose sum is σ = 123184280498. Its totient is φ = 123184280496.

The previous prime is 123184280491. The next prime is 123184280521. The reversal of 123184280497 is 794082481321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110971599376 + 12212681121 = 333124^2 + 110511^2 .

It is a cyclic number.

It is not a de Polignac number, because 123184280497 - 2⁷ = 123184280369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123184280497.

It is not a weakly prime, because it can be changed into another prime (123184280491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61592140248 + 61592140249.

It is an arithmetic number, because the mean of its divisors is an integer number (61592140249).

Almost surely, 2^123184280497 is an apocalyptic number.

It is an amenable number.

123184280497 is a deficient number, since it is larger than the sum of its proper divisors (1).

123184280497 is an equidigital number, since it uses as much as digits as its factorization.

123184280497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 123184280497 in words is "one hundred twenty-three billion, one hundred eighty-four million, two hundred eighty thousand, four hundred ninety-seven".