163467823 has 2 divisors, whose sum is σ = 163467824. Its totient is φ = 163467822.

The previous prime is 163467781. The next prime is 163467839. The reversal of 163467823 is 328764361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163467823 - 2¹⁷ = 163336751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163467023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81733911 + 81733912.

It is an arithmetic number, because the mean of its divisors is an integer number (81733912).

Almost surely, 2^163467823 is an apocalyptic number.

163467823 is a deficient number, since it is larger than the sum of its proper divisors (1).

163467823 is an equidigital number, since it uses as much as digits as its factorization.

163467823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 163467823 is about 12785.4535703666. The cubic root of 163467823 is about 546.7776569620. Note that the first 3 decimals are identical.

The spelling of 163467823 in words is "one hundred sixty-three million, four hundred sixty-seven thousand, eight hundred twenty-three".