10113203123 has 4 divisors (see below), whose sum is σ = 10185960120. Its totient is φ = 10040446128.

The previous prime is 10113203099. The next prime is 10113203183. The reversal of 10113203123 is 32130231101.

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

It is a cyclic number.

It is not a de Polignac number, because 10113203123 - 2³² = 5818235827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113203183) 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, 36378290 + ... + 36378567.

It is an arithmetic number, because the mean of its divisors is an integer number (2546490030).

Almost surely, 2^10113203123 is an apocalyptic number.

10113203123 is a deficient number, since it is larger than the sum of its proper divisors (72756997).

10113203123 is an equidigital number, since it uses as much as digits as its factorization.

10113203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72756996.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10113203123 its reverse (32130231101), we get a palindrome (42243434224).

The spelling of 10113203123 in words is "ten billion, one hundred thirteen million, two hundred three thousand, one hundred twenty-three".