16823623807 has 2 divisors, whose sum is σ = 16823623808. Its totient is φ = 16823623806.

The previous prime is 16823623787. The next prime is 16823623819. The reversal of 16823623807 is 70832632861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16823623807 - 2⁷ = 16823623679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16823623847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8411811903 + 8411811904.

It is an arithmetic number, because the mean of its divisors is an integer number (8411811904).

Almost surely, 2^16823623807 is an apocalyptic number.

16823623807 is a deficient number, since it is larger than the sum of its proper divisors (1).

16823623807 is an equidigital number, since it uses as much as digits as its factorization.

16823623807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 16823623807 in words is "sixteen billion, eight hundred twenty-three million, six hundred twenty-three thousand, eight hundred seven".