2221303123 has 8 divisors (see below), whose sum is σ = 2392790400. Its totient is φ = 2049904128.

The previous prime is 2221303121. The next prime is 2221303163. The reversal of 2221303123 is 3213031222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221303123 - 2¹ = 2221303121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221303123.

It is not an unprimeable number, because it can be changed into a prime (2221303121) 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, 35838 + ... + 75676.

It is an arithmetic number, because the mean of its divisors is an integer number (299098800).

Almost surely, 2^2221303123 is an apocalyptic number.

2221303123 is a deficient number, since it is larger than the sum of its proper divisors (171487277).

2221303123 is a wasteful number, since it uses less digits than its factorization.

2221303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44141.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2221303123 is about 47130.7025515216. The cubic root of 2221303123 is about 1304.7759479908.

Adding to 2221303123 its reverse (3213031222), we get a palindrome (5434334345).

The spelling of 2221303123 in words is "two billion, two hundred twenty-one million, three hundred three thousand, one hundred twenty-three".