742288227123 has 4 divisors (see below), whose sum is σ = 989717636168. Its totient is φ = 494858818080.

The previous prime is 742288227119. The next prime is 742288227133. The reversal of 742288227123 is 321722882247.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 742288227123 - 2² = 742288227119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742288227133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123714704518 + ... + 123714704523.

It is an arithmetic number, because the mean of its divisors is an integer number (247429409042).

Almost surely, 2^742288227123 is an apocalyptic number.

742288227123 is a deficient number, since it is larger than the sum of its proper divisors (247429409045).

742288227123 is a wasteful number, since it uses less digits than its factorization.

742288227123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247429409044.

The product of its digits is 1204224, while the sum is 48.

The spelling of 742288227123 in words is "seven hundred forty-two billion, two hundred eighty-eight million, two hundred twenty-seven thousand, one hundred twenty-three".