4220321023 has 2 divisors, whose sum is σ = 4220321024. Its totient is φ = 4220321022.

The previous prime is 4220320999. The next prime is 4220321029. The reversal of 4220321023 is 3201230224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220321023 is a prime.

It is a super-2 number, since 2×4220321023² = 35622219074351533058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220321029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110160511 + 2110160512.

It is an arithmetic number, because the mean of its divisors is an integer number (2110160512).

Almost surely, 2^4220321023 is an apocalyptic number.

4220321023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220321023 is an equidigital number, since it uses as much as digits as its factorization.

4220321023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4220321023 is about 64963.9978988362. The cubic root of 4220321023 is about 1616.0265654586.

Adding to 4220321023 its reverse (3201230224), we get a palindrome (7421551247).

The spelling of 4220321023 in words is "four billion, two hundred twenty million, three hundred twenty-one thousand, twenty-three".