123015231244054 has 16 divisors (see below), whose sum is σ = 186982721418528. Its totient is φ = 60693034213312.

The previous prime is 123015231244049. The next prime is 123015231244123. The reversal of 123015231244054 is 450442132510321.

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, 1344147949 + ... + 1344239464.

It is an arithmetic number, because the mean of its divisors is an integer number (11686420088658).

Almost surely, 2^{123015231244054} is an apocalyptic number.

123015231244054 is a deficient number, since it is larger than the sum of its proper divisors (63967490174474).

123015231244054 is a wasteful number, since it uses less digits than its factorization.

123015231244054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688387719.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 123015231244054 its reverse (450442132510321), we get a palindrome (573457363754375).

The spelling of 123015231244054 in words is "one hundred twenty-three trillion, fifteen billion, two hundred thirty-one million, two hundred forty-four thousand, fifty-four".