20323100020103 has 2 divisors, whose sum is σ = 20323100020104. Its totient is φ = 20323100020102.

The previous prime is 20323100020087. The next prime is 20323100020147. The reversal of 20323100020103 is 30102000132302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20323100020103 - 2⁴ = 20323100020087 is a prime.

It is a super-2 number, since 2×20323100020103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323100020163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161550010051 + 10161550010052.

It is an arithmetic number, because the mean of its divisors is an integer number (10161550010052).

Almost surely, 2^{20323100020103} is an apocalyptic number.

20323100020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323100020103 is an equidigital number, since it uses as much as digits as its factorization.

20323100020103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20323100020103 its reverse (30102000132302), we get a palindrome (50425100152405).

The spelling of 20323100020103 in words is "twenty trillion, three hundred twenty-three billion, one hundred million, twenty thousand, one hundred three".