123199234746 has 128 divisors (see below), whose sum is σ = 296766720000. Its totient is φ = 33351816960.

The previous prime is 123199234709. The next prime is 123199234751. The reversal of 123199234746 is 647432991321.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37073041 + ... + 37076363.

It is an arithmetic number, because the mean of its divisors is an integer number (2318490000).

Almost surely, 2^123199234746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123199234746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148383360000).

123199234746 is an abundant number, since it is smaller than the sum of its proper divisors (173567485254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123199234746 is a wasteful number, since it uses less digits than its factorization.

123199234746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924.

The product of its digits is 1959552, while the sum is 51.

The spelling of 123199234746 in words is "one hundred twenty-three billion, one hundred ninety-nine million, two hundred thirty-four thousand, seven hundred forty-six".