2144630323 has 4 divisors (see below), whose sum is σ = 2339596728. Its totient is φ = 1949663920.

The previous prime is 2144630303. The next prime is 2144630329. The reversal of 2144630323 is 3230364412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144630323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2144630291 and 2144630300.

It is not an unprimeable number, because it can be changed into a prime (2144630329) 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, 97483186 + ... + 97483207.

It is an arithmetic number, because the mean of its divisors is an integer number (584899182).

Almost surely, 2^2144630323 is an apocalyptic number.

2144630323 is a deficient number, since it is larger than the sum of its proper divisors (194966405).

2144630323 is a wasteful number, since it uses less digits than its factorization.

2144630323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194966404.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2144630323 is about 46310.1535626908. The cubic root of 2144630323 is about 1289.5874976580.

Adding to 2144630323 its reverse (3230364412), we get a palindrome (5374994735).

The spelling of 2144630323 in words is "two billion, one hundred forty-four million, six hundred thirty thousand, three hundred twenty-three".