444242123 has 8 divisors (see below), whose sum is σ = 479723328. Its totient is φ = 408947904.

The previous prime is 444242119. The next prime is 444242153. The reversal of 444242123 is 321242444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444242123 - 2² = 444242119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444242092 and 444242101.

It is not an unprimeable number, because it can be changed into a prime (444242153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41786 + ... + 51327.

It is an arithmetic number, because the mean of its divisors is an integer number (59965416).

Almost surely, 2^444242123 is an apocalyptic number.

444242123 is a deficient number, since it is larger than the sum of its proper divisors (35481205).

444242123 is a wasteful number, since it uses less digits than its factorization.

444242123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93493.

The product of its digits is 6144, while the sum is 26.

The square root of 444242123 is about 21077.0520471910. The cubic root of 444242123 is about 763.0270106733.

Adding to 444242123 its reverse (321242444), we get a palindrome (765484567).

It can be divided in two parts, 4442421 and 23, that added together give a palindrome (4442444).

The spelling of 444242123 in words is "four hundred forty-four million, two hundred forty-two thousand, one hundred twenty-three".