22031113023 has 16 divisors (see below), whose sum is σ = 32643325440. Its totient is φ = 14685320952.

The previous prime is 22031113009. The next prime is 22031113043. The reversal of 22031113023 is 32031113022.

22031113023 is a `hidden beast` number, since 220 + 311 + 130 + 2 + 3 = 666.

It is not a de Polignac number, because 22031113023 - 2¹² = 22031108927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22031112987 and 22031113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031113043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148890 + ... + 257352.

It is an arithmetic number, because the mean of its divisors is an integer number (2040207840).

Almost surely, 2^22031113023 is an apocalyptic number.

22031113023 is a deficient number, since it is larger than the sum of its proper divisors (10612212417).

22031113023 is a wasteful number, since it uses less digits than its factorization.

22031113023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115995 (or 115989 counting only the distinct ones).

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

Adding to 22031113023 its reverse (32031113022), we get a palindrome (54062226045).

Subtracting 22031113023 from its reverse (32031113022), we obtain a palindrome (9999999999).

The spelling of 22031113023 in words is "twenty-two billion, thirty-one million, one hundred thirteen thousand, twenty-three".