123053628546818 has 54 divisors (see below), whose sum is σ = 195612474575259. Its totient is φ = 58048396268544.

The previous prime is 123053628546781. The next prime is 123053628546887. The reversal of 123053628546818 is 818645826350321.

It can be written as a sum of positive squares in 5 ways, for example, as 46766627763769 + 76287000783049 = 6838613^2 + 8734243^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7843903.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 87334015298 + ... + 87334016706.

Almost surely, 2^{123053628546818} is an apocalyptic number.

123053628546818 is a deficient number, since it is larger than the sum of its proper divisors (72558846028441).

123053628546818 is an frugal number, since it uses more digits than its factorization.

123053628546818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 62.

The spelling of 123053628546818 in words is "one hundred twenty-three trillion, fifty-three billion, six hundred twenty-eight million, five hundred forty-six thousand, eight hundred eighteen".