2243123110040 has 128 divisors (see below), whose sum is σ = 5437703145600. Its totient is φ = 831022940160.

The previous prime is 2243123109971. The next prime is 2243123110051. The reversal of 2243123110040 is 400113213422.

It is a junction number, because it is equal to n+sod(n) for n = 2243123109988 and 2243123110015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2679272 + ... + 3415368.

It is an arithmetic number, because the mean of its divisors is an integer number (42482055825).

Almost surely, 2^{2243123110040} is an apocalyptic number.

2243123110040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243123110040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2718851572800).

2243123110040 is an abundant number, since it is smaller than the sum of its proper divisors (3194580035560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2243123110040 is a wasteful number, since it uses less digits than its factorization.

2243123110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736245 (or 736241 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2243123110040 its reverse (400113213422), we get a palindrome (2643236323462).

The spelling of 2243123110040 in words is "two trillion, two hundred forty-three billion, one hundred twenty-three million, one hundred ten thousand, forty".