20323112103 has 24 divisors (see below), whose sum is σ = 33553069056. Its totient is φ = 11611890000.

The previous prime is 20323112099. The next prime is 20323112113. The reversal of 20323112103 is 30121132302.

It is not a de Polignac number, because 20323112103 - 2² = 20323112099 is a prime.

It is a super-2 number, since 2×20323112103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323112113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 923478 + ... + 945228.

It is an arithmetic number, because the mean of its divisors is an integer number (1398044544).

Almost surely, 2^20323112103 is an apocalyptic number.

20323112103 is a deficient number, since it is larger than the sum of its proper divisors (13229956953).

20323112103 is a wasteful number, since it uses less digits than its factorization.

20323112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36595 (or 36592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20323112103 its reverse (30121132302), we get a palindrome (50444244405).

The spelling of 20323112103 in words is "twenty billion, three hundred twenty-three million, one hundred twelve thousand, one hundred three".