20130110323 has 4 divisors (see below), whose sum is σ = 20329418448. Its totient is φ = 19930802200.

The previous prime is 20130110309. The next prime is 20130110327. The reversal of 20130110323 is 32301103102.

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 20130110323 - 2²⁵ = 20096555891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20130110297 and 20130110306.

It is not an unprimeable number, because it can be changed into a prime (20130110327) 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, 99653911 + ... + 99654112.

It is an arithmetic number, because the mean of its divisors is an integer number (5082354612).

Almost surely, 2^20130110323 is an apocalyptic number.

20130110323 is a deficient number, since it is larger than the sum of its proper divisors (199308125).

20130110323 is a wasteful number, since it uses less digits than its factorization.

20130110323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199308124.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20130110323 its reverse (32301103102), we get a palindrome (52431213425).

The spelling of 20130110323 in words is "twenty billion, one hundred thirty million, one hundred ten thousand, three hundred twenty-three".