113142233 has 2 divisors, whose sum is σ = 113142234. Its totient is φ = 113142232.

The previous prime is 113142217. The next prime is 113142257. The reversal of 113142233 is 332241311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110733529 + 2408704 = 10523^2 + 1552^2 .

It is an emirp because it is prime and its reverse (332241311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113142233 - 2⁴ = 113142217 is a prime.

It is not a weakly prime, because it can be changed into another prime (113142433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56571116 + 56571117.

It is an arithmetic number, because the mean of its divisors is an integer number (56571117).

Almost surely, 2^113142233 is an apocalyptic number.

It is an amenable number.

113142233 is a deficient number, since it is larger than the sum of its proper divisors (1).

113142233 is an equidigital number, since it uses as much as digits as its factorization.

113142233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 20.

The square root of 113142233 is about 10636.8337864235. The cubic root of 113142233 is about 483.6615707244.

Adding to 113142233 its reverse (332241311), we get a palindrome (445383544).

The spelling of 113142233 in words is "one hundred thirteen million, one hundred forty-two thousand, two hundred thirty-three".