722023 has 2 divisors, whose sum is σ = 722024. Its totient is φ = 722022.

The previous prime is 722011. The next prime is 722027. The reversal of 722023 is 320227.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722023 - 2⁵ = 721991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 721988 and 722006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361011 + 361012.

It is an arithmetic number, because the mean of its divisors is an integer number (361012).

2⁷²²⁰²³ is an apocalyptic number.

722023 is a deficient number, since it is larger than the sum of its proper divisors (1).

722023 is an equidigital number, since it uses as much as digits as its factorization.

722023 is an odious number, because the sum of its binary digits is odd.

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

The square root of 722023 is about 849.7193654378. The cubic root of 722023 is about 89.7119597845.

The spelling of 722023 in words is "seven hundred twenty-two thousand, twenty-three", and thus it is an iban number.