123255441143381 has 2 divisors, whose sum is σ = 123255441143382. Its totient is φ = 123255441143380.

The previous prime is 123255441143363. The next prime is 123255441143383. The reversal of 123255441143381 is 183341144552321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122887556437156 + 367884706225 = 11085466^2 + 606535^2 .

It is a cyclic number.

It is not a de Polignac number, because 123255441143381 - 2³⁴ = 123238261274197 is a prime.

It is a super-2 number, since 2×123255441143381² (a number of 29 digits) contains 22 as substring.

Together with 123255441143383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123255441143383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61627720571690 + 61627720571691.

It is an arithmetic number, because the mean of its divisors is an integer number (61627720571691).

Almost surely, 2^{123255441143381} is an apocalyptic number.

It is an amenable number.

123255441143381 is a deficient number, since it is larger than the sum of its proper divisors (1).

123255441143381 is an equidigital number, since it uses as much as digits as its factorization.

123255441143381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 47.

The spelling of 123255441143381 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, four hundred forty-one million, one hundred forty-three thousand, three hundred eighty-one".