123122323221277 has 2 divisors, whose sum is σ = 123122323221278. Its totient is φ = 123122323221276.

The previous prime is 123122323221259. The next prime is 123122323221353. The reversal of 123122323221277 is 772122323221321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104975311096516 + 18147012124761 = 10245746^2 + 4259931^2 .

It is a cyclic number.

It is not a de Polignac number, because 123122323221277 - 2²³ = 123122314832669 is a prime.

It is a super-5 number, since 5×123122323221277⁵ (a number of 72 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123122323221577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561161610638 + 61561161610639.

It is an arithmetic number, because the mean of its divisors is an integer number (61561161610639).

Almost surely, 2^{123122323221277} is an apocalyptic number.

It is an amenable number.

123122323221277 is a deficient number, since it is larger than the sum of its proper divisors (1).

123122323221277 is an equidigital number, since it uses as much as digits as its factorization.

123122323221277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 40.

Adding to 123122323221277 its reverse (772122323221321), we get a palindrome (895244646442598).

The spelling of 123122323221277 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred seventy-seven".