505992434723 has 4 divisors (see below), whose sum is σ = 507145037520. Its totient is φ = 504839831928.

The previous prime is 505992434669. The next prime is 505992434743. The reversal of 505992434723 is 327434299505.

It is a happy number.

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 505992434723 - 2¹⁴ = 505992418339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505992434743) 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, 576300740 + ... + 576301617.

It is an arithmetic number, because the mean of its divisors is an integer number (126786259380).

Almost surely, 2^505992434723 is an apocalyptic number.

505992434723 is a deficient number, since it is larger than the sum of its proper divisors (1152602797).

505992434723 is a wasteful number, since it uses less digits than its factorization.

505992434723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152602796.

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 505992434723 in words is "five hundred five billion, nine hundred ninety-two million, four hundred thirty-four thousand, seven hundred twenty-three".