123583 has 2 divisors, whose sum is σ = 123584. Its totient is φ = 123582.

The previous prime is 123581. The next prime is 123593. The reversal of 123583 is 385321.

It is a weak prime.

It is an emirp because it is prime and its reverse (385321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123583 - 2¹ = 123581 is a prime.

Together with 123581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61791 + 61792.

It is an arithmetic number, because the mean of its divisors is an integer number (61792).

2¹²³⁵⁸³ is an apocalyptic number.

123583 is a deficient number, since it is larger than the sum of its proper divisors (1).

123583 is an equidigital number, since it uses as much as digits as its factorization.

123583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 123583 is about 351.5437383883. The cubic root of 123583 is about 49.8103482202.

The spelling of 123583 in words is "one hundred twenty-three thousand, five hundred eighty-three".