2281747123 has 4 divisors (see below), whose sum is σ = 2415967560. Its totient is φ = 2147526688.

The previous prime is 2281747121. The next prime is 2281747207. The reversal of 2281747123 is 3217471822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3217471822 = 2 ⋅1608735911.

It is a cyclic number.

It is not a de Polignac number, because 2281747123 - 2¹ = 2281747121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2281747121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67110193 + ... + 67110226.

It is an arithmetic number, because the mean of its divisors is an integer number (603991890).

Almost surely, 2^2281747123 is an apocalyptic number.

2281747123 is a deficient number, since it is larger than the sum of its proper divisors (134220437).

2281747123 is a wasteful number, since it uses less digits than its factorization.

2281747123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134220436.

The product of its digits is 37632, while the sum is 37.

The square root of 2281747123 is about 47767.6367742847. The cubic root of 2281747123 is about 1316.5049727270.

The spelling of 2281747123 in words is "two billion, two hundred eighty-one million, seven hundred forty-seven thousand, one hundred twenty-three".