36123 has 4 divisors (see below), whose sum is σ = 48168. Its totient is φ = 24080.

The previous prime is 36109. The next prime is 36131. The reversal of 36123 is 32163.

36123 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36123 - 2⁴ = 36107 is a prime.

It is a super-2 number, since 2×36123² = 2609742258, which contains 22 as substring.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 13.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (36523) 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, 6018 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (12042).

2³⁶¹²³ is an apocalyptic number.

36123 is a deficient number, since it is larger than the sum of its proper divisors (12045).

36123 is a wasteful number, since it uses less digits than its factorization.

36123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044.

The product of its digits is 108, while the sum is 15.

The square root of 36123 is about 190.0605166782. The cubic root of 36123 is about 33.0568350244.

Adding to 36123 its reverse (32163), we get a palindrome (68286).

The spelling of 36123 in words is "thirty-six thousand, one hundred twenty-three".