20112003023 has 8 divisors (see below), whose sum is σ = 23137367040. Its totient is φ = 17124694200.

The previous prime is 20112003011. The next prime is 20112003049. The reversal of 20112003023 is 32030021102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112003023 - 2³⁰ = 19038261199 is a prime.

It is a super-2 number, since 2×20112003023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112002989 and 20112003007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112003623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9512663 + ... + 9514776.

It is an arithmetic number, because the mean of its divisors is an integer number (2892170880).

Almost surely, 2^20112003023 is an apocalyptic number.

20112003023 is a deficient number, since it is larger than the sum of its proper divisors (3025364017).

20112003023 is a wasteful number, since it uses less digits than its factorization.

20112003023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19027597.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20112003023 its reverse (32030021102), we get a palindrome (52142024125).

The spelling of 20112003023 in words is "twenty billion, one hundred twelve million, three thousand, twenty-three".