723442312 has 16 divisors (see below), whose sum is σ = 1363342860. Its totient is φ = 359884224.

The previous prime is 723442297. The next prime is 723442351. The reversal of 723442312 is 213244327.

723442312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 484616196 + 238826116 = 22014^2 + 15454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227943 + ... + 231094.

Almost surely, 2^723442312 is an apocalyptic number.

It is an amenable number.

723442312 is a deficient number, since it is larger than the sum of its proper divisors (639900548).

723442312 is a wasteful number, since it uses less digits than its factorization.

723442312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459240 (or 459236 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 723442312 is about 26896.8829420809. The cubic root of 723442312 is about 897.7070487518.

Adding to 723442312 its reverse (213244327), we get a palindrome (936686639).

The spelling of 723442312 in words is "seven hundred twenty-three million, four hundred forty-two thousand, three hundred twelve".