20232122311 has 4 divisors (see below), whose sum is σ = 20353272912. Its totient is φ = 20110971712.

The previous prime is 20232122303. The next prime is 20232122327. The reversal of 20232122311 is 11322123202.

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 20232122311 - 2³ = 20232122303 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 (20232122341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60575050 + ... + 60575383.

It is an arithmetic number, because the mean of its divisors is an integer number (5088318228).

Almost surely, 2^20232122311 is an apocalyptic number.

20232122311 is a deficient number, since it is larger than the sum of its proper divisors (121150601).

20232122311 is a wasteful number, since it uses less digits than its factorization.

20232122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121150600.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20232122311 its reverse (11322123202), we get a palindrome (31554245513).

The spelling of 20232122311 in words is "twenty billion, two hundred thirty-two million, one hundred twenty-two thousand, three hundred eleven".