724323563 has 4 divisors (see below), whose sum is σ = 732462120. Its totient is φ = 716185008.

The previous prime is 724323547. The next prime is 724323571. The reversal of 724323563 is 365323427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 724323563 - 2⁴ = 724323547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724323503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4069145 + ... + 4069322.

It is an arithmetic number, because the mean of its divisors is an integer number (183115530).

Almost surely, 2^724323563 is an apocalyptic number.

724323563 is a deficient number, since it is larger than the sum of its proper divisors (8138557).

724323563 is an equidigital number, since it uses as much as digits as its factorization.

724323563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138556.

The product of its digits is 90720, while the sum is 35.

The square root of 724323563 is about 26913.2599846247. The cubic root of 724323563 is about 898.0714105509.

The spelling of 724323563 in words is "seven hundred twenty-four million, three hundred twenty-three thousand, five hundred sixty-three".