12023023111 has 8 divisors (see below), whose sum is σ = 13116901248. Its totient is φ = 10929291000.

The previous prime is 12023023109. The next prime is 12023023123. The reversal of 12023023111 is 11132032021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12023023111 - 2¹ = 12023023109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023023211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205356 + ... + 257326.

It is an arithmetic number, because the mean of its divisors is an integer number (1639612656).

Almost surely, 2^12023023111 is an apocalyptic number.

12023023111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12023023111 is a deficient number, since it is larger than the sum of its proper divisors (1093878137).

12023023111 is a wasteful number, since it uses less digits than its factorization.

12023023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73013.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12023023111 its reverse (11132032021), we get a palindrome (23155055132).

It can be divided in two parts, 120230 and 23111, that added together give a palindrome (143341).

The spelling of 12023023111 in words is "twelve billion, twenty-three million, twenty-three thousand, one hundred eleven".