123054210312542 has 16 divisors (see below), whose sum is σ = 184606670077920. Its totient is φ = 61518654124512.

The previous prime is 123054210312487. The next prime is 123054210312569. The reversal of 123054210312542 is 245213012450321.

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, 574405184 + ... + 574619372.

It is an arithmetic number, because the mean of its divisors is an integer number (11537916879870).

Almost surely, 2^{123054210312542} is an apocalyptic number.

123054210312542 is a deficient number, since it is larger than the sum of its proper divisors (61552459765378).

123054210312542 is a wasteful number, since it uses less digits than its factorization.

123054210312542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252307.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 123054210312542 its reverse (245213012450321), we get a palindrome (368267222762863).

The spelling of 123054210312542 in words is "one hundred twenty-three trillion, fifty-four billion, two hundred ten million, three hundred twelve thousand, five hundred forty-two".