823609888103 has 2 divisors, whose sum is σ = 823609888104. Its totient is φ = 823609888102.

The previous prime is 823609888051. The next prime is 823609888181. The reversal of 823609888103 is 301888906328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 823609888103 - 2⁶ = 823609888039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (823609888403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411804944051 + 411804944052.

It is an arithmetic number, because the mean of its divisors is an integer number (411804944052).

Almost surely, 2^823609888103 is an apocalyptic number.

823609888103 is a deficient number, since it is larger than the sum of its proper divisors (1).

823609888103 is an equidigital number, since it uses as much as digits as its factorization.

823609888103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 823609888103 in words is "eight hundred twenty-three billion, six hundred nine million, eight hundred eighty-eight thousand, one hundred three".