723671212 has 24 divisors (see below), whose sum is σ = 1382551632. Its totient is φ = 328704000.

The previous prime is 723671203. The next prime is 723671213. The reversal of 723671212 is 212176327.

It is not an unprimeable number, because it can be changed into a prime (723671213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65308 + ... + 75580.

It is an arithmetic number, because the mean of its divisors is an integer number (57606318).

Almost surely, 2^723671212 is an apocalyptic number.

It is an amenable number.

723671212 is a deficient number, since it is larger than the sum of its proper divisors (658880420).

723671212 is a wasteful number, since it uses less digits than its factorization.

723671212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889 (or 11887 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 723671212 is about 26901.1377454560. The cubic root of 723671212 is about 897.8017181178.

The spelling of 723671212 in words is "seven hundred twenty-three million, six hundred seventy-one thousand, two hundred twelve".