723012 has 12 divisors (see below), whose sum is σ = 1687056. Its totient is φ = 241000.

The previous prime is 722983. The next prime is 723029. The reversal of 723012 is 210327.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 722982 and 723000.

It is an unprimeable number.

723012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30114 + ... + 30137.

It is an arithmetic number, because the mean of its divisors is an integer number (140588).

2⁷²³⁰¹² is an apocalyptic number.

It is an amenable number.

723012 is an abundant number, since it is smaller than the sum of its proper divisors (964044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

723012 is a wasteful number, since it uses less digits than its factorization.

723012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60258 (or 60256 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 723012 is about 850.3011231323. The cubic root of 723012 is about 89.7529024545.

Adding to 723012 its reverse (210327), we get a palindrome (933339).

The spelling of 723012 in words is "seven hundred twenty-three thousand, twelve", and thus it is an iban number.