4223053121 has 4 divisors (see below), whose sum is σ = 4826346432. Its totient is φ = 3619759812.

The previous prime is 4223053117. The next prime is 4223053123. The reversal of 4223053121 is 1213503224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4223053121 - 2² = 4223053117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223053123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301646645 + ... + 301646658.

It is an arithmetic number, because the mean of its divisors is an integer number (1206586608).

Almost surely, 2^4223053121 is an apocalyptic number.

It is an amenable number.

4223053121 is a deficient number, since it is larger than the sum of its proper divisors (603293311).

4223053121 is an equidigital number, since it uses as much as digits as its factorization.

4223053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603293310.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4223053121 is about 64985.0222820613. The cubic root of 4223053121 is about 1616.3752111758.

Adding to 4223053121 its reverse (1213503224), we get a palindrome (5436556345).

The spelling of 4223053121 in words is "four billion, two hundred twenty-three million, fifty-three thousand, one hundred twenty-one".