123854424738 has 16 divisors (see below), whose sum is σ = 270227835936. Its totient is φ = 37531643840.

The previous prime is 123854424721. The next prime is 123854424751. The reversal of 123854424738 is 837424458321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938291031 + ... + 938291162.

It is an arithmetic number, because the mean of its divisors is an integer number (16889239746).

Almost surely, 2^123854424738 is an apocalyptic number.

123854424738 is an abundant number, since it is smaller than the sum of its proper divisors (146373411198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123854424738 is a wasteful number, since it uses less digits than its factorization.

123854424738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876582209.

The product of its digits is 5160960, while the sum is 51.

The spelling of 123854424738 in words is "one hundred twenty-three billion, eight hundred fifty-four million, four hundred twenty-four thousand, seven hundred thirty-eight".