20123032103 has 8 divisors (see below), whose sum is σ = 20633311008. Its totient is φ = 19617590304.

The previous prime is 20123032021. The next prime is 20123032117. The reversal of 20123032103 is 30123032102.

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 20123032103 - 2⁸ = 20123031847 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 (20123032133) 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, 1200851 + ... + 1217492.

It is an arithmetic number, because the mean of its divisors is an integer number (2579163876).

Almost surely, 2^20123032103 is an apocalyptic number.

20123032103 is a deficient number, since it is larger than the sum of its proper divisors (510278905).

20123032103 is a wasteful number, since it uses less digits than its factorization.

20123032103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418553.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20123032103 its reverse (30123032102), we get a palindrome (50246064205).

Subtracting 20123032103 from its reverse (30123032102), we obtain a palindrome (9999999999).

The spelling of 20123032103 in words is "twenty billion, one hundred twenty-three million, thirty-two thousand, one hundred three".