113104427 has 2 divisors, whose sum is σ = 113104428. Its totient is φ = 113104426.

The previous prime is 113104423. The next prime is 113104429. The reversal of 113104427 is 724401311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113104427 - 2² = 113104423 is a prime.

It is a super-2 number, since 2×113104427² = 25585222813996658, which contains 22 as substring.

Together with 113104429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113104421) 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, 56552213 + 56552214.

It is an arithmetic number, because the mean of its divisors is an integer number (56552214).

Almost surely, 2^113104427 is an apocalyptic number.

113104427 is a deficient number, since it is larger than the sum of its proper divisors (1).

113104427 is an equidigital number, since it uses as much as digits as its factorization.

113104427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 113104427 is about 10635.0565113684. The cubic root of 113104427 is about 483.6076935650.

Adding to 113104427 its reverse (724401311), we get a palindrome (837505738).

The spelling of 113104427 in words is "one hundred thirteen million, one hundred four thousand, four hundred twenty-seven".