2251444323 has 4 divisors (see below), whose sum is σ = 3001925768. Its totient is φ = 1500962880.

The previous prime is 2251444313. The next prime is 2251444361. The reversal of 2251444323 is 3234441522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2251444323 - 2¹² = 2251440227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251444313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375240718 + ... + 375240723.

It is an arithmetic number, because the mean of its divisors is an integer number (750481442).

Almost surely, 2^2251444323 is an apocalyptic number.

2251444323 is a deficient number, since it is larger than the sum of its proper divisors (750481445).

2251444323 is an equidigital number, since it uses as much as digits as its factorization.

2251444323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750481444.

The product of its digits is 23040, while the sum is 30.

The square root of 2251444323 is about 47449.3869612664. The cubic root of 2251444323 is about 1310.6510220992.

Adding to 2251444323 its reverse (3234441522), we get a palindrome (5485885845).

The spelling of 2251444323 in words is "two billion, two hundred fifty-one million, four hundred forty-four thousand, three hundred twenty-three".