730427823 has 6 divisors (see below), whose sum is σ = 1055062424. Its totient is φ = 486951876.

The previous prime is 730427809. The next prime is 730427837. The reversal of 730427823 is 328724037.

It is an interprime number because it is at equal distance from previous prime (730427809) and next prime (730427837).

It is not a de Polignac number, because 730427823 - 2⁴ = 730427807 is a prime.

It is a super-2 number, since 2×730427823² = 1067049609225038658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730427023) 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 in 5 ways as a sum of consecutive naturals, for example, 40579315 + ... + 40579332.

Almost surely, 2^730427823 is an apocalyptic number.

730427823 is a deficient number, since it is larger than the sum of its proper divisors (324634601).

730427823 is a wasteful number, since it uses less digits than its factorization.

730427823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81158653 (or 81158650 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 730427823 is about 27026.4282323802. The cubic root of 730427823 is about 900.5871982850.

The spelling of 730427823 in words is "seven hundred thirty million, four hundred twenty-seven thousand, eight hundred twenty-three".