12018023 has 2 divisors, whose sum is σ = 12018024. Its totient is φ = 12018022.

The previous prime is 12018011. The next prime is 12018047. The reversal of 12018023 is 32081021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12018023 - 2⁶ = 12017959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12017992 and 12018010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12018053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009011 + 6009012.

It is an arithmetic number, because the mean of its divisors is an integer number (6009012).

Almost surely, 2^12018023 is an apocalyptic number.

12018023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12018023 is an equidigital number, since it uses as much as digits as its factorization.

12018023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12018023 is about 3466.7020350760. The cubic root of 12018023 is about 229.0574088697.

Adding to 12018023 its reverse (32081021), we get a palindrome (44099044).

The spelling of 12018023 in words is "twelve million, eighteen thousand, twenty-three".