20123323333103 has 4 divisors (see below), whose sum is σ = 20124713175840. Its totient is φ = 20121933490368.

The previous prime is 20123323333093. The next prime is 20123323333159. The reversal of 20123323333103 is 30133332332102.

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 20123323333103 - 2¹² = 20123323329007 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 (20123329333103) 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, 694899650 + ... + 694928607.

It is an arithmetic number, because the mean of its divisors is an integer number (5031178293960).

Almost surely, 2^{20123323333103} is an apocalyptic number.

20123323333103 is a deficient number, since it is larger than the sum of its proper divisors (1389842737).

20123323333103 is a wasteful number, since it uses less digits than its factorization.

20123323333103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389842736.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 20123323333103 its reverse (30133332332102), we get a palindrome (50256655665205).

It can be divided in two parts, 2012332 and 3333103, that added together give a palindrome (5345435).

The spelling of 20123323333103 in words is "twenty trillion, one hundred twenty-three billion, three hundred twenty-three million, three hundred thirty-three thousand, one hundred three".