163723230 has 96 divisors (see below), whose sum is σ = 472417920. Its totient is φ = 39003840.

The previous prime is 163723213. The next prime is 163723237. The reversal of 163723230 is 32327361.

163723230 is a `hidden beast` number, since 1 + 637 + 2 + 3 + 23 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 163723194 and 163723203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163723237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57009 + ... + 59811.

It is an arithmetic number, because the mean of its divisors is an integer number (4921020).

Almost surely, 2^163723230 is an apocalyptic number.

163723230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163723230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236208960).

163723230 is an abundant number, since it is smaller than the sum of its proper divisors (308694690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163723230 is a wasteful number, since it uses less digits than its factorization.

163723230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2883 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 163723230 is about 12795.4378588620. The cubic root of 163723230 is about 547.0622760183.

The spelling of 163723230 in words is "one hundred sixty-three million, seven hundred twenty-three thousand, two hundred thirty".