2243340123 has 4 divisors (see below), whose sum is σ = 2991120168. Its totient is φ = 1495560080.

The previous prime is 2243340119. The next prime is 2243340131. The reversal of 2243340123 is 3210433422.

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 2243340123 - 2² = 2243340119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2243340093 and 2243340102.

It is not an unprimeable number, because it can be changed into a prime (2243340193) 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, 373890018 + ... + 373890023.

It is an arithmetic number, because the mean of its divisors is an integer number (747780042).

Almost surely, 2^2243340123 is an apocalyptic number.

2243340123 is a deficient number, since it is larger than the sum of its proper divisors (747780045).

2243340123 is an equidigital number, since it uses as much as digits as its factorization.

2243340123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747780044.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2243340123 is about 47363.9116100011. The cubic root of 2243340123 is about 1309.0765441794.

Adding to 2243340123 its reverse (3210433422), we get a palindrome (5453773545).

The spelling of 2243340123 in words is "two billion, two hundred forty-three million, three hundred forty thousand, one hundred twenty-three".