12011130023 has 4 divisors (see below), whose sum is σ = 12055451808. Its totient is φ = 11966808240.

The previous prime is 12011130011. The next prime is 12011130083. The reversal of 12011130023 is 32003111021.

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 12011130023 - 2⁴ = 12011130007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011130083) 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, 22160486 + ... + 22161027.

It is an arithmetic number, because the mean of its divisors is an integer number (3013862952).

Almost surely, 2^12011130023 is an apocalyptic number.

12011130023 is a deficient number, since it is larger than the sum of its proper divisors (44321785).

12011130023 is an equidigital number, since it uses as much as digits as its factorization.

12011130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44321784.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12011130023 its reverse (32003111021), we get a palindrome (44014241044).

The spelling of 12011130023 in words is "twelve billion, eleven million, one hundred thirty thousand, twenty-three".