20203323103 has 2 divisors, whose sum is σ = 20203323104. Its totient is φ = 20203323102.

The previous prime is 20203323061. The next prime is 20203323109. The reversal of 20203323103 is 30132330202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20203323103 - 2⁹ = 20203322591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20203323109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101661551 + 10101661552.

It is an arithmetic number, because the mean of its divisors is an integer number (10101661552).

Almost surely, 2^20203323103 is an apocalyptic number.

20203323103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203323103 is an equidigital number, since it uses as much as digits as its factorization.

20203323103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20203323103 its reverse (30132330202), we get a palindrome (50335653305).

The spelling of 20203323103 in words is "twenty billion, two hundred three million, three hundred twenty-three thousand, one hundred three".