123983 has 2 divisors, whose sum is σ = 123984. Its totient is φ = 123982.

The previous prime is 123979. The next prime is 123989. The reversal of 123983 is 389321.

123983 is nontrivially palindromic in base 2.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123983 - 2² = 123979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61991 + 61992.

It is an arithmetic number, because the mean of its divisors is an integer number (61992).

2¹²³⁹⁸³ is an apocalyptic number.

123983 is a deficient number, since it is larger than the sum of its proper divisors (1).

123983 is an equidigital number, since it uses as much as digits as its factorization.

123983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 123983 is about 352.1121980278. The cubic root of 123983 is about 49.8640305815.

The spelling of 123983 in words is "one hundred twenty-three thousand, nine hundred eighty-three".