2243220123 has 16 divisors (see below), whose sum is σ = 3150086400. Its totient is φ = 1416002400.

The previous prime is 2243220121. The next prime is 2243220143. The reversal of 2243220123 is 3210223422.

2243220123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243220123 - 2¹ = 2243220121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2243220123.

It is not an unprimeable number, because it can be changed into a prime (2243220121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106573 + ... + 125873.

It is an arithmetic number, because the mean of its divisors is an integer number (196880400).

Almost surely, 2^2243220123 is an apocalyptic number.

2243220123 is a deficient number, since it is larger than the sum of its proper divisors (906866277).

2243220123 is a wasteful number, since it uses less digits than its factorization.

2243220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21362.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2243220123 is about 47362.6448057961. The cubic root of 2243220123 is about 1309.0532022016.

Adding to 2243220123 its reverse (3210223422), we get a palindrome (5453443545).

The spelling of 2243220123 in words is "two billion, two hundred forty-three million, two hundred twenty thousand, one hundred twenty-three".