123359 has 4 divisors (see below), whose sum is σ = 124080. Its totient is φ = 122640.

The previous prime is 123341. The next prime is 123373. The reversal of 123359 is 953321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123359 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (31020).

2¹²³³⁵⁹ is an apocalyptic number.

123359 is a deficient number, since it is larger than the sum of its proper divisors (721).

123359 is an equidigital number, since it uses as much as digits as its factorization.

123359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its digits is 810, while the sum is 23.

The square root of 123359 is about 351.2249991103. The cubic root of 123359 is about 49.7802354863.

The spelling of 123359 in words is "one hundred twenty-three thousand, three hundred fifty-nine".