2243422123 has 4 divisors (see below), whose sum is σ = 2243894400. Its totient is φ = 2242949848.

The previous prime is 2243422099. The next prime is 2243422127. The reversal of 2243422123 is 3212243422.

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 2243422123 - 2⁹ = 2243421611 is a prime.

It is a super-4 number, since 4×2243422123⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243422127) 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, 228940 + ... + 238537.

It is an arithmetic number, because the mean of its divisors is an integer number (560973600).

Almost surely, 2^2243422123 is an apocalyptic number.

2243422123 is a deficient number, since it is larger than the sum of its proper divisors (472277).

2243422123 is an equidigital number, since it uses as much as digits as its factorization.

2243422123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472276.

The product of its digits is 4608, while the sum is 25.

The square root of 2243422123 is about 47364.7772400547. Note that the first 3 decimals coincide. The cubic root of 2243422123 is about 1309.0924940522.

Adding to 2243422123 its reverse (3212243422), we get a palindrome (5455665545).

The spelling of 2243422123 in words is "two billion, two hundred forty-three million, four hundred twenty-two thousand, one hundred twenty-three".