20123232103 has 8 divisors (see below), whose sum is σ = 21945492800. Its totient is φ = 18340159968.

The previous prime is 20123232083. The next prime is 20123232113. The reversal of 20123232103 is 30123232102.

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

It is not a de Polignac number, because 20123232103 - 2⁹ = 20123231591 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 (20123232113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9796068 + ... + 9798121.

It is an arithmetic number, because the mean of its divisors is an integer number (2743186600).

Almost surely, 2^20123232103 is an apocalyptic number.

20123232103 is a deficient number, since it is larger than the sum of its proper divisors (1822260697).

20123232103 is a wasteful number, since it uses less digits than its factorization.

20123232103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19594281.

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

Adding to 20123232103 its reverse (30123232102), we get a palindrome (50246464205).

Subtracting 20123232103 from its reverse (30123232102), we obtain a palindrome (9999999999).

The spelling of 20123232103 in words is "twenty billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred three".