123363558044 has 12 divisors (see below), whose sum is σ = 215903677584. Its totient is φ = 61676793024.

The previous prime is 123363557987. The next prime is 123363558047. The reversal of 123363558044 is 440855363321.

It is a junction number, because it is equal to n+sod(n) for n = 123363557986 and 123363558004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123363558047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190552 + ... + 1290015.

It is an arithmetic number, because the mean of its divisors is an integer number (17991973132).

Almost surely, 2^123363558044 is an apocalyptic number.

It is an amenable number.

123363558044 is a deficient number, since it is larger than the sum of its proper divisors (92540119540).

123363558044 is a wasteful number, since it uses less digits than its factorization.

123363558044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493004 (or 2493002 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 123363558044 in words is "one hundred twenty-three billion, three hundred sixty-three million, five hundred fifty-eight thousand, forty-four".