4230444431 has 2 divisors, whose sum is σ = 4230444432. Its totient is φ = 4230444430.

The previous prime is 4230444377. The next prime is 4230444433. The reversal of 4230444431 is 1344440324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4230444431 is a prime.

It is a super-2 number, since 2×4230444431² = 35793320167557827522, which contains 22 as substring.

Together with 4230444433, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4230444394 and 4230444403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4230444433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115222215 + 2115222216.

It is an arithmetic number, because the mean of its divisors is an integer number (2115222216).

Almost surely, 2^4230444431 is an apocalyptic number.

4230444431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230444431 is an equidigital number, since it uses as much as digits as its factorization.

4230444431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 4230444431 is about 65041.8667551908. The cubic root of 4230444431 is about 1617.3176704676.

Adding to 4230444431 its reverse (1344440324), we get a palindrome (5574884755).

The spelling of 4230444431 in words is "four billion, two hundred thirty million, four hundred forty-four thousand, four hundred thirty-one".