723234 has 8 divisors (see below), whose sum is σ = 1446480. Its totient is φ = 241076.

The previous prime is 723227. The next prime is 723257. The reversal of 723234 is 432327.

It is a happy number.

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

723234 is an admirable number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 723234.

It is an unprimeable number.

723234 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60264 + ... + 60275.

It is an arithmetic number, because the mean of its divisors is an integer number (180810).

2⁷²³²³⁴ is an apocalyptic number.

723234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

723234 is a wasteful number, since it uses less digits than its factorization.

723234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120544.

The product of its digits is 1008, while the sum is 21.

The square root of 723234 is about 850.4316551023. The cubic root of 723234 is about 89.7620876895.

It can be divided in two parts, 72323 and 4, that added together give a palindrome (72327).

The spelling of 723234 in words is "seven hundred twenty-three thousand, two hundred thirty-four".