123494144288255 has 64 divisors (see below), whose sum is σ = 172410636948480. Its totient is φ = 84152800972800.

The previous prime is 123494144288197. The next prime is 123494144288299. The reversal of 123494144288255 is 552882441494321.

It is not a de Polignac number, because 123494144288255 - 2⁶ = 123494144288191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1206386 + ... + 15762095.

It is an arithmetic number, because the mean of its divisors is an integer number (2693916202320).

Almost surely, 2^{123494144288255} is an apocalyptic number.

123494144288255 is a deficient number, since it is larger than the sum of its proper divisors (48916492660225).

123494144288255 is a wasteful number, since it uses less digits than its factorization.

123494144288255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16968672.

The product of its digits is 88473600, while the sum is 62.

The spelling of 123494144288255 in words is "one hundred twenty-three trillion, four hundred ninety-four billion, one hundred forty-four million, two hundred eighty-eight thousand, two hundred fifty-five".