723022 has 4 divisors (see below), whose sum is σ = 1084536. Its totient is φ = 361510.

The previous prime is 722983. The next prime is 723029. The reversal of 723022 is 220327.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 722987 and 723005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180754 + ... + 180757.

It is an arithmetic number, because the mean of its divisors is an integer number (271134).

2⁷²³⁰²² is an apocalyptic number.

723022 is a deficient number, since it is larger than the sum of its proper divisors (361514).

723022 is a wasteful number, since it uses less digits than its factorization.

723022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361513.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 723022 is about 850.3070033817. The cubic root of 723022 is about 89.7533162442.

Adding to 723022 its reverse (220327), we get a palindrome (943349).

The spelling of 723022 in words is "seven hundred twenty-three thousand, twenty-two", and thus it is an iban number.