20132403232103 has 4 divisors (see below), whose sum is σ = 20826624033240. Its totient is φ = 19438182430968.

The previous prime is 20132403232091. The next prime is 20132403232181. The reversal of 20132403232103 is 30123230423102.

It is a happy number.

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

It is not a de Polignac number, because 20132403232103 - 2⁴ = 20132403232087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132403232703) 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, 347110400525 + ... + 347110400582.

It is an arithmetic number, because the mean of its divisors is an integer number (5206656008310).

Almost surely, 2^{20132403232103} is an apocalyptic number.

20132403232103 is a deficient number, since it is larger than the sum of its proper divisors (694220801137).

20132403232103 is an equidigital number, since it uses as much as digits as its factorization.

20132403232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694220801136.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20132403232103 its reverse (30123230423102), we get a palindrome (50255633655205).

The spelling of 20132403232103 in words is "twenty trillion, one hundred thirty-two billion, four hundred three million, two hundred thirty-two thousand, one hundred three".