727166023 has 2 divisors, whose sum is σ = 727166024. Its totient is φ = 727166022.

The previous prime is 727166009. The next prime is 727166047. The reversal of 727166023 is 320661727.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 727166023 - 2²⁵ = 693611591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 727166023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (727166003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363583011 + 363583012.

It is an arithmetic number, because the mean of its divisors is an integer number (363583012).

Almost surely, 2^727166023 is an apocalyptic number.

727166023 is a deficient number, since it is larger than the sum of its proper divisors (1).

727166023 is an equidigital number, since it uses as much as digits as its factorization.

727166023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 727166023 is about 26966.0160757944. The cubic root of 727166023 is about 899.2446431722.

The spelling of 727166023 in words is "seven hundred twenty-seven million, one hundred sixty-six thousand, twenty-three".