163767423 has 12 divisors (see below), whose sum is σ = 220105304. Its totient is φ = 108310800.

The previous prime is 163767419. The next prime is 163767433. The reversal of 163767423 is 324767361.

It is not a de Polignac number, because 163767423 - 2² = 163767419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163767413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49893 + ... + 53073.

Almost surely, 2^163767423 is an apocalyptic number.

163767423 is a deficient number, since it is larger than the sum of its proper divisors (56337881).

163767423 is an equidigital number, since it uses as much as digits as its factorization.

163767423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3315 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 163767423 is about 12797.1646469052. The cubic root of 163767423 is about 547.1114935264. Note that the first 3 decimals are identical.

The spelling of 163767423 in words is "one hundred sixty-three million, seven hundred sixty-seven thousand, four hundred twenty-three".