113232437 has 2 divisors, whose sum is σ = 113232438. Its totient is φ = 113232436.

The previous prime is 113232421. The next prime is 113232439. The reversal of 113232437 is 734232311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102434641 + 10797796 = 10121^2 + 3286^2 .

It is a cyclic number.

It is not a de Polignac number, because 113232437 - 2⁴ = 113232421 is a prime.

Together with 113232439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113232439) 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, 56616218 + 56616219.

It is an arithmetic number, because the mean of its divisors is an integer number (56616219).

Almost surely, 2^113232437 is an apocalyptic number.

It is an amenable number.

113232437 is a deficient number, since it is larger than the sum of its proper divisors (1).

113232437 is an equidigital number, since it uses as much as digits as its factorization.

113232437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 113232437 is about 10641.0731131780. The cubic root of 113232437 is about 483.7900715737.

Adding to 113232437 its reverse (734232311), we get a palindrome (847464748).

The spelling of 113232437 in words is "one hundred thirteen million, two hundred thirty-two thousand, four hundred thirty-seven".