113243693 has 2 divisors, whose sum is σ = 113243694. Its totient is φ = 113243692.

The previous prime is 113243657. The next prime is 113243707. The reversal of 113243693 is 396342311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89056969 + 24186724 = 9437^2 + 4918^2 .

It is an emirp because it is prime and its reverse (396342311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113243693 - 2¹⁰ = 113242669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113243653) 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, 56621846 + 56621847.

It is an arithmetic number, because the mean of its divisors is an integer number (56621847).

Almost surely, 2^113243693 is an apocalyptic number.

It is an amenable number.

113243693 is a deficient number, since it is larger than the sum of its proper divisors (1).

113243693 is an equidigital number, since it uses as much as digits as its factorization.

113243693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 113243693 is about 10641.6019940609. The cubic root of 113243693 is about 483.8061016111.

Adding to 113243693 its sum of digits (32), we get a triangular number (113243725 = T₁₅₀₄₉).

The spelling of 113243693 in words is "one hundred thirteen million, two hundred forty-three thousand, six hundred ninety-three".