505293055723 has 4 divisors (see below), whose sum is σ = 505484966088. Its totient is φ = 505101145360.

The previous prime is 505293055699. The next prime is 505293055727. The reversal of 505293055723 is 327550392505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505293055723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505293055727) 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, 95951233 + ... + 95956498.

It is an arithmetic number, because the mean of its divisors is an integer number (126371241522).

Almost surely, 2^505293055723 is an apocalyptic number.

505293055723 is a deficient number, since it is larger than the sum of its proper divisors (191910365).

505293055723 is a wasteful number, since it uses less digits than its factorization.

505293055723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191910364.

The product of its (nonzero) digits is 1417500, while the sum is 46.

The spelling of 505293055723 in words is "five hundred five billion, two hundred ninety-three million, fifty-five thousand, seven hundred twenty-three".