12011030023 has 4 divisors (see below), whose sum is σ = 12011813200. Its totient is φ = 12010246848.

The previous prime is 12011029993. The next prime is 12011030029. The reversal of 12011030023 is 32003011021.

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 12011030023 - 2¹⁷ = 12010898951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011029985 and 12011030012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011030029) 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, 368115 + ... + 399412.

It is an arithmetic number, because the mean of its divisors is an integer number (3002953300).

Almost surely, 2^12011030023 is an apocalyptic number.

12011030023 is a deficient number, since it is larger than the sum of its proper divisors (783177).

12011030023 is an equidigital number, since it uses as much as digits as its factorization.

12011030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783176.

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

Adding to 12011030023 its reverse (32003011021), we get a palindrome (44014041044).

The spelling of 12011030023 in words is "twelve billion, eleven million, thirty thousand, twenty-three".