723345227 has 16 divisors (see below), whose sum is σ = 836588544. Its totient is φ = 619164000.

The previous prime is 723345221. The next prime is 723345229. The reversal of 723345227 is 722543327.

It is a cyclic number.

It is not a de Polignac number, because 723345227 - 2²⁰ = 722296651 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (723345221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16049 + ... + 41282.

It is an arithmetic number, because the mean of its divisors is an integer number (52286784).

Almost surely, 2^723345227 is an apocalyptic number.

723345227 is a deficient number, since it is larger than the sum of its proper divisors (113243317).

723345227 is a wasteful number, since it uses less digits than its factorization.

723345227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57410.

The product of its digits is 70560, while the sum is 35.

The square root of 723345227 is about 26895.0781184960. The cubic root of 723345227 is about 897.6668899230. Note that the first 3 decimals are identical.

The spelling of 723345227 in words is "seven hundred twenty-three million, three hundred forty-five thousand, two hundred twenty-seven".