723230813 has 8 divisors (see below), whose sum is σ = 766878840. Its totient is φ = 679705600.

The previous prime is 723230789. The next prime is 723230861. The reversal of 723230813 is 318032327.

723230813 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 4 ways, for example, as 375855769 + 347375044 = 19387^2 + 18638^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 723230813 - 2¹² = 723226717 is a prime.

It is a super-3 number, since 3×723230813³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723230873) 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, 18428 + ... + 42261.

It is an arithmetic number, because the mean of its divisors is an integer number (95859855).

Almost surely, 2^723230813 is an apocalyptic number.

It is an amenable number.

723230813 is a deficient number, since it is larger than the sum of its proper divisors (43648027).

723230813 is a wasteful number, since it uses less digits than its factorization.

723230813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61407.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 723230813 is about 26892.9509909195. The cubic root of 723230813 is about 897.6195584086.

The spelling of 723230813 in words is "seven hundred twenty-three million, two hundred thirty thousand, eight hundred thirteen".