220023123 has 8 divisors (see below), whose sum is σ = 296899008. Its totient is φ = 144914664.

The previous prime is 220023113. The next prime is 220023143. The reversal of 220023123 is 321320022.

220023123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220023123 - 2⁸ = 220022867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220023113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441565 + ... + 442062.

It is an arithmetic number, because the mean of its divisors is an integer number (37112376).

Almost surely, 2^220023123 is an apocalyptic number.

220023123 is a deficient number, since it is larger than the sum of its proper divisors (76875885).

220023123 is an equidigital number, since it uses as much as digits as its factorization.

220023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883713.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220023123 is about 14833.1764298818. The cubic root of 220023123 is about 603.7022228138.

Adding to 220023123 its reverse (321320022), we get a palindrome (541343145).

The spelling of 220023123 in words is "two hundred twenty million, twenty-three thousand, one hundred twenty-three".