123811324802 has 32 divisors (see below), whose sum is σ = 214548082560. Its totient is φ = 52959988480.

The previous prime is 123811324799. The next prime is 123811324831. The reversal of 123811324802 is 208423118321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3275024 + ... + 3312612.

It is an arithmetic number, because the mean of its divisors is an integer number (6704627580).

Almost surely, 2^123811324802 is an apocalyptic number.

123811324802 is a deficient number, since it is larger than the sum of its proper divisors (90736757758).

123811324802 is a wasteful number, since it uses less digits than its factorization.

123811324802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46426.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 123811324802 in words is "one hundred twenty-three billion, eight hundred eleven million, three hundred twenty-four thousand, eight hundred two".