243120643412744 has 16 divisors (see below), whose sum is σ = 462271645926720. Its totient is φ = 119848204498960.

The previous prime is 243120643412723. The next prime is 243120643412831. The reversal of 243120643412744 is 447214346021342.

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, 214014650324 + ... + 214014651459.

It is an arithmetic number, because the mean of its divisors is an integer number (28891977870420).

Almost surely, 2^{243120643412744} is an apocalyptic number.

It is an amenable number.

243120643412744 is a deficient number, since it is larger than the sum of its proper divisors (219151002513976).

243120643412744 is a wasteful number, since it uses less digits than its factorization.

243120643412744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428029301860 (or 428029301856 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 47.

The spelling of 243120643412744 in words is "two hundred forty-three trillion, one hundred twenty billion, six hundred forty-three million, four hundred twelve thousand, seven hundred forty-four".