823316432747 has 2 divisors, whose sum is σ = 823316432748. Its totient is φ = 823316432746.

The previous prime is 823316432711. The next prime is 823316432777. The reversal of 823316432747 is 747234613328.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 823316432747 - 2¹⁸ = 823316170603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 823316432695 and 823316432704.

It is not a weakly prime, because it can be changed into another prime (823316432777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411658216373 + 411658216374.

It is an arithmetic number, because the mean of its divisors is an integer number (411658216374).

Almost surely, 2^823316432747 is an apocalyptic number.

823316432747 is a deficient number, since it is larger than the sum of its proper divisors (1).

823316432747 is an equidigital number, since it uses as much as digits as its factorization.

823316432747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 50.

The spelling of 823316432747 in words is "eight hundred twenty-three billion, three hundred sixteen million, four hundred thirty-two thousand, seven hundred forty-seven".