20223113311 has 4 divisors (see below), whose sum is σ = 20223632232. Its totient is φ = 20222594392.

The previous prime is 20223113297. The next prime is 20223113327. The reversal of 20223113311 is 11331132202.

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 20223113311 - 2⁹ = 20223112799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223110311) 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, 195796 + ... + 280681.

It is an arithmetic number, because the mean of its divisors is an integer number (5055908058).

Almost surely, 2^20223113311 is an apocalyptic number.

20223113311 is a deficient number, since it is larger than the sum of its proper divisors (518921).

20223113311 is an equidigital number, since it uses as much as digits as its factorization.

20223113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518920.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20223113311 its reverse (11331132202), we get a palindrome (31554245513).

The spelling of 20223113311 in words is "twenty billion, two hundred twenty-three million, one hundred thirteen thousand, three hundred eleven".