20113230232003 has 4 divisors (see below), whose sum is σ = 20129569169248. Its totient is φ = 20096891294760.

The previous prime is 20113230231977. The next prime is 20113230232063. The reversal of 20113230232003 is 30023203231102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20113230232003 - 2¹³ = 20113230223811 is a prime.

It is a super-4 number, since 4×20113230232003⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113230232063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8169466776 + ... + 8169469237.

It is an arithmetic number, because the mean of its divisors is an integer number (5032392292312).

Almost surely, 2^{20113230232003} is an apocalyptic number.

20113230232003 is a deficient number, since it is larger than the sum of its proper divisors (16338937245).

20113230232003 is a wasteful number, since it uses less digits than its factorization.

20113230232003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16338937244.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20113230232003 its reverse (30023203231102), we get a palindrome (50136433463105).

The spelling of 20113230232003 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty million, two hundred thirty-two thousand, three".