163426023 has 6 divisors (see below), whose sum is σ = 236059824. Its totient is φ = 108950676.

The previous prime is 163426019. The next prime is 163426057. The reversal of 163426023 is 320624361.

163426023 is a `hidden beast` number, since 1 + 634 + 2 + 6 + 0 + 23 = 666.

It is not a de Polignac number, because 163426023 - 2² = 163426019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163426073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9079215 + ... + 9079232.

It is an arithmetic number, because the mean of its divisors is an integer number (39343304).

Almost surely, 2^163426023 is an apocalyptic number.

163426023 is a deficient number, since it is larger than the sum of its proper divisors (72633801).

163426023 is a wasteful number, since it uses less digits than its factorization.

163426023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18158453 (or 18158450 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 163426023 is about 12783.8187956494. The cubic root of 163426023 is about 546.7310478822.

The spelling of 163426023 in words is "one hundred sixty-three million, four hundred twenty-six thousand, twenty-three".