123026142455287 has 2 divisors, whose sum is σ = 123026142455288. Its totient is φ = 123026142455286.

The previous prime is 123026142455233. The next prime is 123026142455299. The reversal of 123026142455287 is 782554241620321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123026142455287 - 2³⁵ = 122991782716919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123026142455987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61513071227643 + 61513071227644.

It is an arithmetic number, because the mean of its divisors is an integer number (61513071227644).

Almost surely, 2^{123026142455287} is an apocalyptic number.

123026142455287 is a deficient number, since it is larger than the sum of its proper divisors (1).

123026142455287 is an equidigital number, since it uses as much as digits as its factorization.

123026142455287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 123026142455287 in words is "one hundred twenty-three trillion, twenty-six billion, one hundred forty-two million, four hundred fifty-five thousand, two hundred eighty-seven".