20810300923 has 2 divisors, whose sum is σ = 20810300924. Its totient is φ = 20810300922.

The previous prime is 20810300897. The next prime is 20810300947. The reversal of 20810300923 is 32900301802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20810300923 - 2³³ = 12220366331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20810300891 and 20810300900.

It is not a weakly prime, because it can be changed into another prime (20810300963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10405150461 + 10405150462.

It is an arithmetic number, because the mean of its divisors is an integer number (10405150462).

Almost surely, 2^20810300923 is an apocalyptic number.

20810300923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20810300923 is an equidigital number, since it uses as much as digits as its factorization.

20810300923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 20810300923 in words is "twenty billion, eight hundred ten million, three hundred thousand, nine hundred twenty-three".