113443427 has 2 divisors, whose sum is σ = 113443428. Its totient is φ = 113443426.

The previous prime is 113443423. The next prime is 113443439. The reversal of 113443427 is 724344311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113443427 - 2² = 113443423 is a prime.

It is a super-2 number, since 2×113443427² = 25738822259008658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113443427.

It is not a weakly prime, because it can be changed into another prime (113443423) 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 as a sum of consecutive naturals, namely, 56721713 + 56721714.

It is an arithmetic number, because the mean of its divisors is an integer number (56721714).

Almost surely, 2^113443427 is an apocalyptic number.

113443427 is a deficient number, since it is larger than the sum of its proper divisors (1).

113443427 is an equidigital number, since it uses as much as digits as its factorization.

113443427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 113443427 is about 10650.9824429486. The cubic root of 113443427 is about 484.0903728406.

Adding to 113443427 its reverse (724344311), we get a palindrome (837787738).

The spelling of 113443427 in words is "one hundred thirteen million, four hundred forty-three thousand, four hundred twenty-seven".