823609896323 has 2 divisors, whose sum is σ = 823609896324. Its totient is φ = 823609896322.

The previous prime is 823609896313. The next prime is 823609896379. The reversal of 823609896323 is 323698906328.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 823609896323 - 2¹⁸ = 823609634179 is a prime.

It is a super-2 number, since 2×823609896323² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (823609896313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411804948161 + 411804948162.

It is an arithmetic number, because the mean of its divisors is an integer number (411804948162).

Almost surely, 2^823609896323 is an apocalyptic number.

823609896323 is a deficient number, since it is larger than the sum of its proper divisors (1).

823609896323 is an equidigital number, since it uses as much as digits as its factorization.

823609896323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 823609896323 in words is "eight hundred twenty-three billion, six hundred nine million, eight hundred ninety-six thousand, three hundred twenty-three".