505055723 has 2 divisors, whose sum is σ = 505055724. Its totient is φ = 505055722.

The previous prime is 505055711. The next prime is 505055741. The reversal of 505055723 is 327550505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505055723 - 2²² = 500861419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505055723.

It is not a weakly prime, because it can be changed into another prime (505055743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252527861 + 252527862.

It is an arithmetic number, because the mean of its divisors is an integer number (252527862).

Almost surely, 2^505055723 is an apocalyptic number.

505055723 is a deficient number, since it is larger than the sum of its proper divisors (1).

505055723 is an equidigital number, since it uses as much as digits as its factorization.

505055723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 505055723 is about 22473.4448405223. Note that the first 3 decimals coincide. The cubic root of 505055723 is about 796.3667130755.

The spelling of 505055723 in words is "five hundred five million, fifty-five thousand, seven hundred twenty-three".