11993383 has 2 divisors, whose sum is σ = 11993384. Its totient is φ = 11993382.

The previous prime is 11993357. The next prime is 11993407. The reversal of 11993383 is 38339911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11993383 - 2¹³ = 11985191 is a prime.

It is equal to p₇₈₇₆₆₃ and since 11993383 and 787663 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11993323) 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, 5996691 + 5996692.

It is an arithmetic number, because the mean of its divisors is an integer number (5996692).

Almost surely, 2^11993383 is an apocalyptic number.

11993383 is a deficient number, since it is larger than the sum of its proper divisors (1).

11993383 is an equidigital number, since it uses as much as digits as its factorization.

11993383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 37.

The square root of 11993383 is about 3463.1464017566. The cubic root of 11993383 is about 228.9007598061.

The spelling of 11993383 in words is "eleven million, nine hundred ninety-three thousand, three hundred eighty-three".