123314335245557 has 2 divisors, whose sum is σ = 123314335245558. Its totient is φ = 123314335245556.

The previous prime is 123314335245499. The next prime is 123314335245613. The reversal of 123314335245557 is 755542533413321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78381257315761 + 44933077929796 = 8853319^2 + 6703214^2 .

It is an emirp because it is prime and its reverse (755542533413321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123314335245557 - 2⁸ = 123314335245301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123314335245499 and 123314335245508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123314335248557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61657167622778 + 61657167622779.

It is an arithmetic number, because the mean of its divisors is an integer number (61657167622779).

Almost surely, 2^{123314335245557} is an apocalyptic number.

It is an amenable number.

123314335245557 is a deficient number, since it is larger than the sum of its proper divisors (1).

123314335245557 is an equidigital number, since it uses as much as digits as its factorization.

123314335245557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680000, while the sum is 53.

Adding to 123314335245557 its reverse (755542533413321), we get a palindrome (878856868658878).

The spelling of 123314335245557 in words is "one hundred twenty-three trillion, three hundred fourteen billion, three hundred thirty-five million, two hundred forty-five thousand, five hundred fifty-seven".