173823030 has 64 divisors (see below), whose sum is σ = 468377280. Its totient is φ = 45868032.

The previous prime is 173823019. The next prime is 173823031. The reversal of 173823030 is 30328371.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 173822985 and 173823003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173823031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22872 + ... + 29508.

It is an arithmetic number, because the mean of its divisors is an integer number (7318395).

Almost surely, 2^173823030 is an apocalyptic number.

173823030 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 173823030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234188640).

173823030 is an abundant number, since it is smaller than the sum of its proper divisors (294554250).

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

173823030 is a wasteful number, since it uses less digits than its factorization.

173823030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750 (or 6744 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 173823030 is about 13184.1962212340. The cubic root of 173823030 is about 558.0876842203.

The spelling of 173823030 in words is "one hundred seventy-three million, eight hundred twenty-three thousand, thirty".