242743745723 has 16 divisors (see below), whose sum is σ = 269269228800. Its totient is φ = 217791208800.

The previous prime is 242743745719. The next prime is 242743745767. The reversal of 242743745723 is 327547347242.

It is not a de Polignac number, because 242743745723 - 2² = 242743745719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242743744723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2705753 + ... + 2794026.

It is an arithmetic number, because the mean of its divisors is an integer number (16829326800).

Almost surely, 2^242743745723 is an apocalyptic number.

242743745723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

242743745723 is a deficient number, since it is larger than the sum of its proper divisors (26525483077).

242743745723 is a wasteful number, since it uses less digits than its factorization.

242743745723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499922.

The product of its digits is 7902720, while the sum is 50.

The spelling of 242743745723 in words is "two hundred forty-two billion, seven hundred forty-three million, seven hundred forty-five thousand, seven hundred twenty-three".