113783 has 2 divisors, whose sum is σ = 113784. Its totient is φ = 113782.

The previous prime is 113779. The next prime is 113797. The reversal of 113783 is 387311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113783 - 2² = 113779 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56891 + 56892.

It is an arithmetic number, because the mean of its divisors is an integer number (56892).

2¹¹³⁷⁸³ is an apocalyptic number.

113783 is a deficient number, since it is larger than the sum of its proper divisors (1).

113783 is an equidigital number, since it uses as much as digits as its factorization.

113783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 113783 is about 337.3173579880. The cubic root of 113783 is about 48.4572904908.

The spelling of 113783 in words is "one hundred thirteen thousand, seven hundred eighty-three".