20323313103 has 8 divisors (see below), whose sum is σ = 27151625088. Its totient is φ = 13521938264.

The previous prime is 20323313081. The next prime is 20323313141. The reversal of 20323313103 is 30131332302.

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 20323313103 - 2¹² = 20323309007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20323313103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323313183) 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, 6732525 + ... + 6735542.

It is an arithmetic number, because the mean of its divisors is an integer number (3393953136).

Almost surely, 2^20323313103 is an apocalyptic number.

20323313103 is a deficient number, since it is larger than the sum of its proper divisors (6828311985).

20323313103 is a wasteful number, since it uses less digits than its factorization.

20323313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13468573.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20323313103 its reverse (30131332302), we get a palindrome (50454645405).

The spelling of 20323313103 in words is "twenty billion, three hundred twenty-three million, three hundred thirteen thousand, one hundred three".