113920243 has 2 divisors, whose sum is σ = 113920244. Its totient is φ = 113920242.

The previous prime is 113920241. The next prime is 113920309. The reversal of 113920243 is 342029311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113920243 - 2¹ = 113920241 is a prime.

Together with 113920241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113920241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56960121 + 56960122.

It is an arithmetic number, because the mean of its divisors is an integer number (56960122).

Almost surely, 2^113920243 is an apocalyptic number.

113920243 is a deficient number, since it is larger than the sum of its proper divisors (1).

113920243 is an equidigital number, since it uses as much as digits as its factorization.

113920243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 113920243 is about 10673.3426348075. The cubic root of 113920243 is about 484.7676543240.

Adding to 113920243 its reverse (342029311), we get a palindrome (455949554).

The spelling of 113920243 in words is "one hundred thirteen million, nine hundred twenty thousand, two hundred forty-three".