220123233 has 12 divisors (see below), whose sum is σ = 346861008. Its totient is φ = 133407960.

The previous prime is 220123229. The next prime is 220123247. The reversal of 220123233 is 332321022.

It is a happy number.

It is not a de Polignac number, because 220123233 - 2² = 220123229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1111635 + ... + 1111832.

It is an arithmetic number, because the mean of its divisors is an integer number (28905084).

Almost surely, 2^220123233 is an apocalyptic number.

It is an amenable number.

220123233 is a deficient number, since it is larger than the sum of its proper divisors (126737775).

220123233 is a wasteful number, since it uses less digits than its factorization.

220123233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223484 (or 2223481 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 220123233 is about 14836.5505761953. The cubic root of 220123233 is about 603.7937699579.

Adding to 220123233 its reverse (332321022), we get a palindrome (552444255).

The spelling of 220123233 in words is "two hundred twenty million, one hundred twenty-three thousand, two hundred thirty-three".