123646046647712 has 24 divisors (see below), whose sum is σ = 246163302144900. Its totient is φ = 61128382610944.

The previous prime is 123646046647709. The next prime is 123646046647723. The reversal of 123646046647712 is 217746640646321.

It can be written as a sum of positive squares in 2 ways, for example, as 121571882129296 + 2074164518416 = 11025964^2 + 1440196^2 .

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, 21707519387 + ... + 21707525082.

Almost surely, 2^{123646046647712} is an apocalyptic number.

It is an amenable number.

123646046647712 is a deficient number, since it is larger than the sum of its proper divisors (122517255497188).

123646046647712 is an equidigital number, since it uses as much as digits as its factorization.

123646046647712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43415044568 (or 43415044560 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 123646046647712 in words is "one hundred twenty-three trillion, six hundred forty-six billion, forty-six million, six hundred forty-seven thousand, seven hundred twelve".