113423993 has 2 divisors, whose sum is σ = 113423994. Its totient is φ = 113423992.

The previous prime is 113423987. The next prime is 113424023. The reversal of 113423993 is 399324311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113273449 + 150544 = 10643^2 + 388^2 .

It is a cyclic number.

It is not a de Polignac number, because 113423993 - 2¹² = 113419897 is a prime.

It is not a weakly prime, because it can be changed into another prime (113423923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56711996 + 56711997.

It is an arithmetic number, because the mean of its divisors is an integer number (56711997).

Almost surely, 2^113423993 is an apocalyptic number.

It is an amenable number.

113423993 is a deficient number, since it is larger than the sum of its proper divisors (1).

113423993 is an equidigital number, since it uses as much as digits as its factorization.

113423993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 113423993 is about 10650.0700936661. The cubic root of 113423993 is about 484.0627280787.

The spelling of 113423993 in words is "one hundred thirteen million, four hundred twenty-three thousand, nine hundred ninety-three".