123403326044 has 12 divisors (see below), whose sum is σ = 216735446424. Its totient is φ = 61478912784.

The previous prime is 123403326031. The next prime is 123403326047. The reversal of 123403326044 is 440623304321.

It is a self number, because there is not a number n which added to its sum of digits gives 123403326044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123403326047) 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, 55686314 + ... + 55688529.

It is an arithmetic number, because the mean of its divisors is an integer number (18061287202).

Almost surely, 2^123403326044 is an apocalyptic number.

It is an amenable number.

123403326044 is a deficient number, since it is larger than the sum of its proper divisors (93332120380).

123403326044 is a wasteful number, since it uses less digits than its factorization.

123403326044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111375124 (or 111375122 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 123403326044 in words is "one hundred twenty-three billion, four hundred three million, three hundred twenty-six thousand, forty-four".