20112331213323 has 64 divisors (see below), whose sum is σ = 31304655360000. Its totient is φ = 12746931679872.

The previous prime is 20112331213307. The next prime is 20112331213333. The reversal of 20112331213323 is 32331213321102.

20112331213323 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 2 + 331 + 2 + 1 + 3 + 323 = 666.

It is not a de Polignac number, because 20112331213323 - 2⁴ = 20112331213307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20112331213333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27767293 + ... + 28482401.

It is an arithmetic number, because the mean of its divisors is an integer number (489135240000).

Almost surely, 2^{20112331213323} is an apocalyptic number.

20112331213323 is a deficient number, since it is larger than the sum of its proper divisors (11192324146677).

20112331213323 is a wasteful number, since it uses less digits than its factorization.

20112331213323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715801 (or 715795 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20112331213323 its reverse (32331213321102), we get a palindrome (52443544534425).

The spelling of 20112331213323 in words is "twenty trillion, one hundred twelve billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred twenty-three".