123449878796 has 12 divisors (see below), whose sum is σ = 216190624440. Its totient is φ = 61681128960.

The previous prime is 123449878789. The next prime is 123449878819. The reversal of 123449878796 is 697878944321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10946270 + ... + 10957541.

It is an arithmetic number, because the mean of its divisors is an integer number (18015885370).

Almost surely, 2^123449878796 is an apocalyptic number.

It is an amenable number.

123449878796 is a deficient number, since it is larger than the sum of its proper divisors (92740745644).

123449878796 is a wasteful number, since it uses less digits than its factorization.

123449878796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21905224 (or 21905222 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 68.

The spelling of 123449878796 in words is "one hundred twenty-three billion, four hundred forty-nine million, eight hundred seventy-eight thousand, seven hundred ninety-six".