444232223 has 2 divisors, whose sum is σ = 444232224. Its totient is φ = 444232222.

The previous prime is 444232199. The next prime is 444232231. The reversal of 444232223 is 322232444.

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-444232223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444232192 and 444232201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444232123) 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 as a sum of consecutive naturals, namely, 222116111 + 222116112.

It is an arithmetic number, because the mean of its divisors is an integer number (222116112).

Almost surely, 2^444232223 is an apocalyptic number.

444232223 is a deficient number, since it is larger than the sum of its proper divisors (1).

444232223 is an equidigital number, since it uses as much as digits as its factorization.

444232223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 26.

The square root of 444232223 is about 21076.8171933051. The cubic root of 444232223 is about 763.0213425754.

Adding to 444232223 its reverse (322232444), we get a palindrome (766464667).

The spelling of 444232223 in words is "four hundred forty-four million, two hundred thirty-two thousand, two hundred twenty-three".