2243021323 has 4 divisors (see below), whose sum is σ = 2255413888. Its totient is φ = 2230628760.

The previous prime is 2243021311. The next prime is 2243021353. The reversal of 2243021323 is 3231203422.

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

It is a cyclic number.

It is not a de Polignac number, because 2243021323 - 2¹³ = 2243013131 is a prime.

It is a super-2 number, since 2×2243021323² = 10062289310865340658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243021294 and 2243021303.

It is not an unprimeable number, because it can be changed into a prime (2243021303) 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, 6196011 + ... + 6196372.

It is an arithmetic number, because the mean of its divisors is an integer number (563853472).

Almost surely, 2^2243021323 is an apocalyptic number.

2243021323 is a deficient number, since it is larger than the sum of its proper divisors (12392565).

2243021323 is a wasteful number, since it uses less digits than its factorization.

2243021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12392564.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2243021323 is about 47360.5460589297. The cubic root of 2243021323 is about 1309.0145304930.

Adding to 2243021323 its reverse (3231203422), we get a palindrome (5474224745).

It can be divided in two parts, 224302 and 1323, that added together give a square (225625 = 475²).

The spelling of 2243021323 in words is "two billion, two hundred forty-three million, twenty-one thousand, three hundred twenty-three".