723656023 has 2 divisors, whose sum is σ = 723656024. Its totient is φ = 723656022.

The previous prime is 723655997. The next prime is 723656083. The reversal of 723656023 is 320656327.

723656023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 723656023 - 2⁹ = 723655511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 723656023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723656083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361828011 + 361828012.

It is an arithmetic number, because the mean of its divisors is an integer number (361828012).

Almost surely, 2^723656023 is an apocalyptic number.

723656023 is a deficient number, since it is larger than the sum of its proper divisors (1).

723656023 is an equidigital number, since it uses as much as digits as its factorization.

723656023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 723656023 is about 26900.8554324951. The cubic root of 723656023 is about 897.7954368097.

The spelling of 723656023 in words is "seven hundred twenty-three million, six hundred fifty-six thousand, twenty-three".