20323513303 has 2 divisors, whose sum is σ = 20323513304. Its totient is φ = 20323513302.

The previous prime is 20323513271. The next prime is 20323513321. The reversal of 20323513303 is 30331532302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20323513303 - 2⁵ = 20323513271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323513333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161756651 + 10161756652.

It is an arithmetic number, because the mean of its divisors is an integer number (10161756652).

Almost surely, 2^20323513303 is an apocalyptic number.

20323513303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323513303 is an equidigital number, since it uses as much as digits as its factorization.

20323513303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 25.

The spelling of 20323513303 in words is "twenty billion, three hundred twenty-three million, five hundred thirteen thousand, three hundred three".