444023231 has 2 divisors, whose sum is σ = 444023232. Its totient is φ = 444023230.

The previous prime is 444023197. The next prime is 444023243. The reversal of 444023231 is 132320444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444023231 - 2¹⁴ = 444006847 is a prime.

It is a super-2 number, since 2×444023231² = 394313259335358722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 444023197 and 444023206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444023291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222011615 + 222011616.

It is an arithmetic number, because the mean of its divisors is an integer number (222011616).

Almost surely, 2^444023231 is an apocalyptic number.

444023231 is a deficient number, since it is larger than the sum of its proper divisors (1).

444023231 is an equidigital number, since it uses as much as digits as its factorization.

444023231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 444023231 is about 21071.8587457301. The cubic root of 444023231 is about 762.9016676532.

Adding to 444023231 its reverse (132320444), we get a palindrome (576343675).

The spelling of 444023231 in words is "four hundred forty-four million, twenty-three thousand, two hundred thirty-one".