123144341204254 has 16 divisors (see below), whose sum is σ = 186073476472800. Its totient is φ = 61121278183680.

The previous prime is 123144341204197. The next prime is 123144341204281. The reversal of 123144341204254 is 452402143441321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357111607 + ... + 357456274.

It is an arithmetic number, because the mean of its divisors is an integer number (11629592279550).

Almost surely, 2^{123144341204254} is an apocalyptic number.

123144341204254 is a deficient number, since it is larger than the sum of its proper divisors (62929135268546).

123144341204254 is a wasteful number, since it uses less digits than its factorization.

123144341204254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714568515.

The product of its (nonzero) digits is 368640, while the sum is 40.

Adding to 123144341204254 its reverse (452402143441321), we get a palindrome (575546484645575).

The spelling of 123144341204254 in words is "one hundred twenty-three trillion, one hundred forty-four billion, three hundred forty-one million, two hundred four thousand, two hundred fifty-four".