163842023 has 2 divisors, whose sum is σ = 163842024. Its totient is φ = 163842022.

The previous prime is 163842013. The next prime is 163842043. The reversal of 163842023 is 320248361.

163842023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163842023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163842013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81921011 + 81921012.

It is an arithmetic number, because the mean of its divisors is an integer number (81921012).

Almost surely, 2^163842023 is an apocalyptic number.

163842023 is a deficient number, since it is larger than the sum of its proper divisors (1).

163842023 is an equidigital number, since it uses as much as digits as its factorization.

163842023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 163842023 is about 12800.0790231936. The cubic root of 163842023 is about 547.1945550636.

The spelling of 163842023 in words is "one hundred sixty-three million, eight hundred forty-two thousand, twenty-three".