20132123203 has 4 divisors (see below), whose sum is σ = 20132845888. Its totient is φ = 20131400520.

The previous prime is 20132123191. The next prime is 20132123213. The reversal of 20132123203 is 30232123102.

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 20132123203 - 2⁵ = 20132123171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20132123213) 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, 317808 + ... + 375853.

It is an arithmetic number, because the mean of its divisors is an integer number (5033211472).

Almost surely, 2^20132123203 is an apocalyptic number.

20132123203 is a deficient number, since it is larger than the sum of its proper divisors (722685).

20132123203 is an equidigital number, since it uses as much as digits as its factorization.

20132123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722684.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20132123203 its reverse (30232123102), we get a palindrome (50364246305).

The spelling of 20132123203 in words is "twenty billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred three".