444123423 has 24 divisors (see below), whose sum is σ = 678163200. Its totient is φ = 279299664.

The previous prime is 444123401. The next prime is 444123497. The reversal of 444123423 is 324321444.

It is a happy number.

It is not a de Polignac number, because 444123423 - 2⁶ = 444123359 is a prime.

It is a super-2 number, since 2×444123423² = 394491229714473858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444123223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35436 + ... + 46302.

It is an arithmetic number, because the mean of its divisors is an integer number (28256800).

Almost surely, 2^444123423 is an apocalyptic number.

444123423 is a deficient number, since it is larger than the sum of its proper divisors (234039777).

444123423 is a wasteful number, since it uses less digits than its factorization.

444123423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11131 (or 11128 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 444123423 is about 21074.2360003868. The cubic root of 444123423 is about 762.9590452032.

Adding to 444123423 its reverse (324321444), we get a palindrome (768444867).

The spelling of 444123423 in words is "four hundred forty-four million, one hundred twenty-three thousand, four hundred twenty-three".