20110123103 has 8 divisors (see below), whose sum is σ = 22993810080. Its totient is φ = 17229139200.

The previous prime is 20110123091. The next prime is 20110123199. The reversal of 20110123103 is 30132101102.

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

It is not a de Polignac number, because 20110123103 - 2³⁴ = 2930253919 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 (20110123303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659798 + ... + 689603.

It is an arithmetic number, because the mean of its divisors is an integer number (2874226260).

Almost surely, 2^20110123103 is an apocalyptic number.

20110123103 is a deficient number, since it is larger than the sum of its proper divisors (2883686977).

20110123103 is a wasteful number, since it uses less digits than its factorization.

20110123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351537.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20110123103 its reverse (30132101102), we get a palindrome (50242224205).

The spelling of 20110123103 in words is "twenty billion, one hundred ten million, one hundred twenty-three thousand, one hundred three".