116423281 has 4 divisors (see below), whose sum is σ = 125378932. Its totient is φ = 107467632.

The previous prime is 116423273. The next prime is 116423297. The reversal of 116423281 is 182324611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25411681 + 91011600 = 5041^2 + 9540^2 .

It is a cyclic number.

It is not a de Polignac number, because 116423281 - 2³ = 116423273 is a prime.

It is a super-2 number, since 2×116423281² = 27108760717609922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116423221) 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, 4477806 + ... + 4477831.

It is an arithmetic number, because the mean of its divisors is an integer number (31344733).

Almost surely, 2^116423281 is an apocalyptic number.

It is an amenable number.

116423281 is a deficient number, since it is larger than the sum of its proper divisors (8955651).

116423281 is an equidigital number, since it uses as much as digits as its factorization.

116423281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955650.

The product of its digits is 2304, while the sum is 28.

The square root of 116423281 is about 10789.9620481260. The cubic root of 116423281 is about 488.2923774769.

Adding to 116423281 its reverse (182324611), we get a palindrome (298747892).

The spelling of 116423281 in words is "one hundred sixteen million, four hundred twenty-three thousand, two hundred eighty-one".