2204430123 has 16 divisors (see below), whose sum is σ = 3373194240. Its totient is φ = 1254400896.

The previous prime is 2204430121. The next prime is 2204430127. The reversal of 2204430123 is 3210344022.

It is not a de Polignac number, because 2204430123 - 2¹ = 2204430121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2204430123.

It is not an unprimeable number, because it can be changed into a prime (2204430121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214590 + ... + 224627.

It is an arithmetic number, because the mean of its divisors is an integer number (210824640).

Almost surely, 2^2204430123 is an apocalyptic number.

2204430123 is a deficient number, since it is larger than the sum of its proper divisors (1168764117).

2204430123 is a wasteful number, since it uses less digits than its factorization.

2204430123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439466.

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

The square root of 2204430123 is about 46951.3591177082. The cubic root of 2204430123 is about 1301.4638585058.

Adding to 2204430123 its reverse (3210344022), we get a palindrome (5414774145).

The spelling of 2204430123 in words is "two billion, two hundred four million, four hundred thirty thousand, one hundred twenty-three".