12012023 has 4 divisors (see below), whose sum is σ = 12099840. Its totient is φ = 11924208.

The previous prime is 12012017. The next prime is 12012037. The reversal of 12012023 is 32021021.

It is a happy number.

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 12012023 - 2⁸ = 12011767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011995 and 12012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012053) 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, 43703 + ... + 43976.

It is an arithmetic number, because the mean of its divisors is an integer number (3024960).

Almost surely, 2^12012023 is an apocalyptic number.

12012023 is a deficient number, since it is larger than the sum of its proper divisors (87817).

12012023 is an equidigital number, since it uses as much as digits as its factorization.

12012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87816.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12012023 is about 3465.8365512528. The cubic root of 12012023 is about 229.0192835410.

Adding to 12012023 its reverse (32021021), we get a palindrome (44033044).

The spelling of 12012023 in words is "twelve million, twelve thousand, twenty-three".