123369 has 16 divisors (see below), whose sum is σ = 181440. Its totient is φ = 74240.

The previous prime is 123341. The next prime is 123373. The reversal of 123369 is 963321.

It is a cyclic number.

It is not a de Polignac number, because 123369 - 2⁸ = 123113 is a prime.

It is a super-2 number, since 2×123369² = 30439820322, which contains 22 as substring.

123369 is a modest number, since divided by 369 gives 123 as remainder.

It is a Curzon number.

It is a plaindrome in base 10.

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 15 ways as a sum of consecutive naturals, for example, 2062 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (11340).

2¹²³³⁶⁹ is an apocalyptic number.

It is an amenable number.

123369 is a deficient number, since it is larger than the sum of its proper divisors (58071).

123369 is a wasteful number, since it uses less digits than its factorization.

123369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120.

The product of its digits is 972, while the sum is 24.

The square root of 123369 is about 351.2392347105. The cubic root of 123369 is about 49.7815805818.

The spelling of 123369 in words is "one hundred twenty-three thousand, three hundred sixty-nine".