727423343 has 4 divisors (see below), whose sum is σ = 734221800. Its totient is φ = 720624888.

The previous prime is 727423297. The next prime is 727423363. The reversal of 727423343 is 343324727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343324727 = 647 ⋅530641.

It is a cyclic number.

It is not a de Polignac number, because 727423343 - 2²⁰ = 726374767 is a prime.

It is a super-3 number, since 3×727423343³ (a number of 28 digits) contains 333 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 (727423363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399068 + ... + 3399281.

It is an arithmetic number, because the mean of its divisors is an integer number (183555450).

Almost surely, 2^727423343 is an apocalyptic number.

727423343 is a deficient number, since it is larger than the sum of its proper divisors (6798457).

727423343 is a wasteful number, since it uses less digits than its factorization.

727423343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798456.

The product of its digits is 84672, while the sum is 35.

The square root of 727423343 is about 26970.7868442877. The cubic root of 727423343 is about 899.3507016400.

The spelling of 727423343 in words is "seven hundred twenty-seven million, four hundred twenty-three thousand, three hundred forty-three".