113240423 has 2 divisors, whose sum is σ = 113240424. Its totient is φ = 113240422.

The previous prime is 113240377. The next prime is 113240429. The reversal of 113240423 is 324042311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113240423 - 2⁸ = 113240167 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 113240395 and 113240404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113240429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56620211 + 56620212.

It is an arithmetic number, because the mean of its divisors is an integer number (56620212).

Almost surely, 2^113240423 is an apocalyptic number.

113240423 is a deficient number, since it is larger than the sum of its proper divisors (1).

113240423 is an equidigital number, since it uses as much as digits as its factorization.

113240423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 113240423 is about 10641.4483506711. The cubic root of 113240423 is about 483.8014448067.

Adding to 113240423 its reverse (324042311), we get a palindrome (437282734).

It can be divided in two parts, 11 and 3240423, that multiplied together give a palindrome (35644653).

The spelling of 113240423 in words is "one hundred thirteen million, two hundred forty thousand, four hundred twenty-three".