20031112023 has 16 divisors (see below), whose sum is σ = 28767634560. Its totient is φ = 12324690144.

The previous prime is 20031112009. The next prime is 20031112039. The reversal of 20031112023 is 32021113002.

It is not a de Polignac number, because 20031112023 - 2⁹ = 20031111511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20031111993 and 20031112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031112523) 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, 198688 + ... + 282026.

It is an arithmetic number, because the mean of its divisors is an integer number (1797977160).

Almost surely, 2^20031112023 is an apocalyptic number.

20031112023 is a deficient number, since it is larger than the sum of its proper divisors (8736522537).

20031112023 is a wasteful number, since it uses less digits than its factorization.

20031112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89518.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20031112023 its reverse (32021113002), we get a palindrome (52052225025).

The spelling of 20031112023 in words is "twenty billion, thirty-one million, one hundred twelve thousand, twenty-three".