505672723 has 2 divisors, whose sum is σ = 505672724. Its totient is φ = 505672722.

The previous prime is 505672711. The next prime is 505672753. The reversal of 505672723 is 327276505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505672723 - 2¹³ = 505664531 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is equal to p_26638426 and since 505672723 and 26638426 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (505672753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252836361 + 252836362.

It is an arithmetic number, because the mean of its divisors is an integer number (252836362).

Almost surely, 2^505672723 is an apocalyptic number.

505672723 is a deficient number, since it is larger than the sum of its proper divisors (1).

505672723 is an equidigital number, since it uses as much as digits as its factorization.

505672723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 505672723 is about 22487.1679630851. The cubic root of 505672723 is about 796.6908742102.

The spelling of 505672723 in words is "five hundred five million, six hundred seventy-two thousand, seven hundred twenty-three".