20112222323 has 8 divisors (see below), whose sum is σ = 21297534720. Its totient is φ = 18939587400.

The previous prime is 20112222313. The next prime is 20112222367. The reversal of 20112222323 is 32322221102.

It is a happy number.

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 20112222323 - 2⁴ = 20112222307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112222295 and 20112222304.

It is not an unprimeable number, because it can be changed into a prime (20112222313) 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, 3166103 + ... + 3172448.

It is an arithmetic number, because the mean of its divisors is an integer number (2662191840).

Almost surely, 2^20112222323 is an apocalyptic number.

20112222323 is a deficient number, since it is larger than the sum of its proper divisors (1185312397).

20112222323 is a wasteful number, since it uses less digits than its factorization.

20112222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6338737.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20112222323 its reverse (32322221102), we get a palindrome (52434443425).

The spelling of 20112222323 in words is "twenty billion, one hundred twelve million, two hundred twenty-two thousand, three hundred twenty-three".