220723023 has 4 divisors (see below), whose sum is σ = 294297368. Its totient is φ = 147148680.

The previous prime is 220723021. The next prime is 220723033. The reversal of 220723023 is 320327022.

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

It is not a de Polignac number, because 220723023 - 2¹ = 220723021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220723021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36787168 + ... + 36787173.

It is an arithmetic number, because the mean of its divisors is an integer number (73574342).

Almost surely, 2^220723023 is an apocalyptic number.

220723023 is a deficient number, since it is larger than the sum of its proper divisors (73574345).

220723023 is an equidigital number, since it uses as much as digits as its factorization.

220723023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73574344.

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

The square root of 220723023 is about 14856.7500820334. The cubic root of 220723023 is about 604.3416767373.

The spelling of 220723023 in words is "two hundred twenty million, seven hundred twenty-three thousand, twenty-three".