2243431022123 has 4 divisors (see below), whose sum is σ = 2243434087968. Its totient is φ = 2243427956280.

The previous prime is 2243431022071. The next prime is 2243431022207. The reversal of 2243431022123 is 3212201343422.

2243431022123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243431022123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243431022023) 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, 277133 + ... + 2136273.

It is an arithmetic number, because the mean of its divisors is an integer number (560858521992).

Almost surely, 2^{2243431022123} is an apocalyptic number.

2243431022123 is a deficient number, since it is larger than the sum of its proper divisors (3065845).

2243431022123 is a wasteful number, since it uses less digits than its factorization.

2243431022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065844.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2243431022123 its reverse (3212201343422), we get a palindrome (5455632365545).

The spelling of 2243431022123 in words is "two trillion, two hundred forty-three billion, four hundred thirty-one million, twenty-two thousand, one hundred twenty-three".