12356023 has 4 divisors (see below), whose sum is σ = 13006360. Its totient is φ = 11705688.

The previous prime is 12356021. The next prime is 12356033. The reversal of 12356023 is 32065321.

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 12356023 - 2¹ = 12356021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12355985 and 12356003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12356021) 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, 325140 + ... + 325177.

It is an arithmetic number, because the mean of its divisors is an integer number (3251590).

Almost surely, 2^12356023 is an apocalyptic number.

12356023 is a deficient number, since it is larger than the sum of its proper divisors (650337).

12356023 is an equidigital number, since it uses as much as digits as its factorization.

12356023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650336.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 12356023 is about 3515.1135116807. The cubic root of 12356023 is about 231.1849558483.

The spelling of 12356023 in words is "twelve million, three hundred fifty-six thousand, twenty-three".