20233023111 has 36 divisors (see below), whose sum is σ = 35475131952. Its totient is φ = 11059038144.

The previous prime is 20233023101. The next prime is 20233023113. The reversal of 20233023111 is 11132033202.

20233023111 is a `hidden beast` number, since 20 + 2 + 330 + 2 + 311 + 1 = 666.

It is not a de Polignac number, because 20233023111 - 2¹⁴ = 20233006727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233023113) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 987246 + ... + 1007531.

It is an arithmetic number, because the mean of its divisors is an integer number (985420332).

Almost surely, 2^20233023111 is an apocalyptic number.

20233023111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20233023111 is a deficient number, since it is larger than the sum of its proper divisors (15242108841).

20233023111 is a wasteful number, since it uses less digits than its factorization.

20233023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994820 (or 1994810 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20233023111 its reverse (11132033202), we get a palindrome (31365056313).

The spelling of 20233023111 in words is "twenty billion, two hundred thirty-three million, twenty-three thousand, one hundred eleven".