2243078123 has 8 divisors (see below), whose sum is σ = 2635224816. Its totient is φ = 1882303200.

The previous prime is 2243078119. The next prime is 2243078161. The reversal of 2243078123 is 3218703422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243078123 - 2² = 2243078119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243078123.

It is not an unprimeable number, because it can be changed into a prime (2243078323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7842788 + ... + 7843073.

It is an arithmetic number, because the mean of its divisors is an integer number (329403102).

Almost surely, 2^2243078123 is an apocalyptic number.

2243078123 is a deficient number, since it is larger than the sum of its proper divisors (392146693).

2243078123 is a wasteful number, since it uses less digits than its factorization.

2243078123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15685885.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2243078123 is about 47361.1457103816. The cubic root of 2243078123 is about 1309.0255797857.

The spelling of 2243078123 in words is "two billion, two hundred forty-three million, seventy-eight thousand, one hundred twenty-three".