2123276443 has 8 divisors (see below), whose sum is σ = 2150988800. Its totient is φ = 2095585128.

The previous prime is 2123276411. The next prime is 2123276479. The reversal of 2123276443 is 3446723212.

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 2123276443 - 2⁵ = 2123276411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123276399 and 2123276408.

It is not an unprimeable number, because it can be changed into a prime (2123279443) 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, 360718 + ... + 366556.

It is an arithmetic number, because the mean of its divisors is an integer number (268873600).

Almost surely, 2^2123276443 is an apocalyptic number.

2123276443 is a deficient number, since it is larger than the sum of its proper divisors (27712357).

2123276443 is an equidigital number, since it uses as much as digits as its factorization.

2123276443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521.

The product of its digits is 48384, while the sum is 34.

The square root of 2123276443 is about 46079.0238937415. The cubic root of 2123276443 is about 1285.2931130467.

Adding to 2123276443 its reverse (3446723212), we get a palindrome (5569999655).

The spelling of 2123276443 in words is "two billion, one hundred twenty-three million, two hundred seventy-six thousand, four hundred forty-three".