20110243023 has 12 divisors (see below), whose sum is σ = 31282600440. Its totient is φ = 12375534096.

The previous prime is 20110243003. The next prime is 20110243037. The reversal of 20110243023 is 32034201102.

20110243023 is a `hidden beast` number, since 201 + 10 + 2 + 430 + 23 = 666.

It is not a de Polignac number, because 20110243023 - 2⁶ = 20110242959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20110242987 and 20110243005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110243003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85941093 + ... + 85941326.

It is an arithmetic number, because the mean of its divisors is an integer number (2606883370).

Almost surely, 2^20110243023 is an apocalyptic number.

20110243023 is a deficient number, since it is larger than the sum of its proper divisors (11172357417).

20110243023 is a wasteful number, since it uses less digits than its factorization.

20110243023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171882438 (or 171882435 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20110243023 its reverse (32034201102), we get a palindrome (52144444125).

The spelling of 20110243023 in words is "twenty billion, one hundred ten million, two hundred forty-three thousand, twenty-three".