123422354777 has 2 divisors, whose sum is σ = 123422354778. Its totient is φ = 123422354776.

The previous prime is 123422354753. The next prime is 123422354791. The reversal of 123422354777 is 777453224321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123389910361 + 32444416 = 351269^2 + 5696^2 .

It is a cyclic number.

It is not a de Polignac number, because 123422354777 - 2¹⁰ = 123422353753 is a prime.

It is not a weakly prime, because it can be changed into another prime (123452354777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61711177388 + 61711177389.

It is an arithmetic number, because the mean of its divisors is an integer number (61711177389).

Almost surely, 2^123422354777 is an apocalyptic number.

It is an amenable number.

123422354777 is a deficient number, since it is larger than the sum of its proper divisors (1).

123422354777 is an equidigital number, since it uses as much as digits as its factorization.

123422354777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 47.

The spelling of 123422354777 in words is "one hundred twenty-three billion, four hundred twenty-two million, three hundred fifty-four thousand, seven hundred seventy-seven".