2120444423 has 8 divisors (see below), whose sum is σ = 2239750656. Its totient is φ = 2004319800.

The previous prime is 2120444413. The next prime is 2120444429. The reversal of 2120444423 is 3244440212.

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 2120444423 - 2⁴ = 2120444407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120444392 and 2120444401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120444429) 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 in 7 ways as a sum of consecutive naturals, for example, 794033 + ... + 796698.

It is an arithmetic number, because the mean of its divisors is an integer number (279968832).

Almost surely, 2^2120444423 is an apocalyptic number.

2120444423 is a deficient number, since it is larger than the sum of its proper divisors (119306233).

2120444423 is a wasteful number, since it uses less digits than its factorization.

2120444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590805.

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

The square root of 2120444423 is about 46048.2836053636. The cubic root of 2120444423 is about 1284.7214187133.

Adding to 2120444423 its reverse (3244440212), we get a palindrome (5364884635).

The spelling of 2120444423 in words is "two billion, one hundred twenty million, four hundred forty-four thousand, four hundred twenty-three".