723424216 has 32 divisors (see below), whose sum is σ = 1377244800. Its totient is φ = 356198400.

The previous prime is 723424211. The next prime is 723424223. The reversal of 723424216 is 612424327.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723424211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153625 + ... + 158263.

It is an arithmetic number, because the mean of its divisors is an integer number (43038900).

Almost surely, 2^723424216 is an apocalyptic number.

It is an amenable number.

723424216 is a deficient number, since it is larger than the sum of its proper divisors (653820584).

723424216 is a wasteful number, since it uses less digits than its factorization.

723424216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939 (or 4935 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 723424216 is about 26896.5465441197. The cubic root of 723424216 is about 897.6995636849.

The spelling of 723424216 in words is "seven hundred twenty-three million, four hundred twenty-four thousand, two hundred sixteen".