823673603 has 2 divisors, whose sum is σ = 823673604. Its totient is φ = 823673602.

The previous prime is 823673597. The next prime is 823673621. The reversal of 823673603 is 306376328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 823673603 - 2²² = 819479299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (823673303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411836801 + 411836802.

It is an arithmetic number, because the mean of its divisors is an integer number (411836802).

Almost surely, 2^823673603 is an apocalyptic number.

823673603 is a deficient number, since it is larger than the sum of its proper divisors (1).

823673603 is an equidigital number, since it uses as much as digits as its factorization.

823673603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 823673603 is about 28699.7143365574. The cubic root of 823673603 is about 937.3858266412.

The spelling of 823673603 in words is "eight hundred twenty-three million, six hundred seventy-three thousand, six hundred three".