20434823083 has 2 divisors, whose sum is σ = 20434823084. Its totient is φ = 20434823082.

The previous prime is 20434823051. The next prime is 20434823099. The reversal of 20434823083 is 38032843402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20434823083 - 2⁵ = 20434823051 is a prime.

It is not a weakly prime, because it can be changed into another prime (20434823023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217411541 + 10217411542.

It is an arithmetic number, because the mean of its divisors is an integer number (10217411542).

Almost surely, 2^20434823083 is an apocalyptic number.

20434823083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20434823083 is an equidigital number, since it uses as much as digits as its factorization.

20434823083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 20434823083 in words is "twenty billion, four hundred thirty-four million, eight hundred twenty-three thousand, eighty-three".