20232312111 has 60 divisors (see below), whose sum is σ = 33373534656. Its totient is φ = 12205702080.

The previous prime is 20232312077. The next prime is 20232312193. The reversal of 20232312111 is 11121323202.

It is not a de Polignac number, because 20232312111 - 2⁶ = 20232312047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232312511) 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 59 ways as a sum of consecutive naturals, for example, 2180995 + ... + 2190251.

Almost surely, 2^20232312111 is an apocalyptic number.

20232312111 is a deficient number, since it is larger than the sum of its proper divisors (13141222545).

20232312111 is a wasteful number, since it uses less digits than its factorization.

20232312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514 (or 9494 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20232312111 its reverse (11121323202), we get a palindrome (31353635313).

The spelling of 20232312111 in words is "twenty billion, two hundred thirty-two million, three hundred twelve thousand, one hundred eleven".