12023113 has 4 divisors (see below), whose sum is σ = 12348100. Its totient is φ = 11698128.

The previous prime is 12023059. The next prime is 12023119. The reversal of 12023113 is 31132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31132021 = 61 ⋅510361.

It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 374544 = 3413^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023113 - 2¹³ = 12014921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023093 and 12023102.

It is not an unprimeable number, because it can be changed into a prime (12023119) 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, 162438 + ... + 162511.

It is an arithmetic number, because the mean of its divisors is an integer number (3087025).

Almost surely, 2^12023113 is an apocalyptic number.

It is an amenable number.

12023113 is a deficient number, since it is larger than the sum of its proper divisors (324987).

12023113 is an equidigital number, since it uses as much as digits as its factorization.

12023113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324986.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12023113 is about 3467.4360844866. The cubic root of 12023113 is about 229.0897419096.

Adding to 12023113 its reverse (31132021), we get a palindrome (43155134).

The spelling of 12023113 in words is "twelve million, twenty-three thousand, one hundred thirteen".