742345246523 has 4 divisors (see below), whose sum is σ = 742668992928. Its totient is φ = 742021500120.

The previous prime is 742345246501. The next prime is 742345246553. The reversal of 742345246523 is 325642543247.

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

It is a cyclic number.

It is not a de Polignac number, because 742345246523 - 2⁶ = 742345246459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742345246553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161869763 + ... + 161874348.

It is an arithmetic number, because the mean of its divisors is an integer number (185667248232).

Almost surely, 2^742345246523 is an apocalyptic number.

742345246523 is a deficient number, since it is larger than the sum of its proper divisors (323746405).

742345246523 is a wasteful number, since it uses less digits than its factorization.

742345246523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323746404.

The product of its digits is 4838400, while the sum is 47.

The spelling of 742345246523 in words is "seven hundred forty-two billion, three hundred forty-five million, two hundred forty-six thousand, five hundred twenty-three".