123243425054473 has 2 divisors, whose sum is σ = 123243425054474. Its totient is φ = 123243425054472.

The previous prime is 123243425054437. The next prime is 123243425054579. The reversal of 123243425054473 is 374450524342321.

It is a happy number.

Together with previous prime (123243425054437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116020645178944 + 7222779875529 = 10771288^2 + 2687523^2 .

It is a cyclic number.

It is not a de Polignac number, because 123243425054473 - 2²⁹ = 123242888183561 is a prime.

It is not a weakly prime, because it can be changed into another prime (123243425054273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621712527236 + 61621712527237.

It is an arithmetic number, because the mean of its divisors is an integer number (61621712527237).

Almost surely, 2^{123243425054473} is an apocalyptic number.

It is an amenable number.

123243425054473 is a deficient number, since it is larger than the sum of its proper divisors (1).

123243425054473 is an equidigital number, since it uses as much as digits as its factorization.

123243425054473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 49.

Adding to 123243425054473 its reverse (374450524342321), we get a palindrome (497693949396794).

The spelling of 123243425054473 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-five million, fifty-four thousand, four hundred seventy-three".