823875103 has 2 divisors, whose sum is σ = 823875104. Its totient is φ = 823875102.

The previous prime is 823875077. The next prime is 823875109. The reversal of 823875103 is 301578328.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-823875103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (823875109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411937551 + 411937552.

It is an arithmetic number, because the mean of its divisors is an integer number (411937552).

Almost surely, 2^823875103 is an apocalyptic number.

823875103 is a deficient number, since it is larger than the sum of its proper divisors (1).

823875103 is an equidigital number, since it uses as much as digits as its factorization.

823875103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 823875103 is about 28703.2246097891. The cubic root of 823875103 is about 937.4622597667.

The spelling of 823875103 in words is "eight hundred twenty-three million, eight hundred seventy-five thousand, one hundred three".