723233 has 4 divisors (see below), whose sum is σ = 826560. Its totient is φ = 619908.

The previous prime is 723227. The next prime is 723257. The reversal of 723233 is 332327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332327 = 23 ⋅14449.

It is a cyclic number.

It is not a de Polignac number, because 723233 - 2⁶ = 723169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (723263) by changing a digit.

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, 51653 + ... + 51666.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

2⁷²³²³³ is an apocalyptic number.

It is an amenable number.

723233 is a deficient number, since it is larger than the sum of its proper divisors (103327).

723233 is a wasteful number, since it uses less digits than its factorization.

723233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103326.

The product of its digits is 756, while the sum is 20.

The square root of 723233 is about 850.4310671654. The cubic root of 723233 is about 89.7620463188.

The spelling of 723233 in words is "seven hundred twenty-three thousand, two hundred thirty-three".