12023531311 has 8 divisors (see below), whose sum is σ = 13127989248. Its totient is φ = 10920975000.

The previous prime is 12023531263. The next prime is 12023531329. The reversal of 12023531311 is 11313532021.

12023531311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12023531311 - 2⁷ = 12023531183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023537311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462165 + ... + 487486.

It is an arithmetic number, because the mean of its divisors is an integer number (1640998656).

Almost surely, 2^12023531311 is an apocalyptic number.

12023531311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12023531311 is a deficient number, since it is larger than the sum of its proper divisors (1104457937).

12023531311 is a wasteful number, since it uses less digits than its factorization.

12023531311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950813.

The product of its (nonzero) digits is 540, while the sum is 22.

The spelling of 12023531311 in words is "twelve billion, twenty-three million, five hundred thirty-one thousand, three hundred eleven".