173243930 has 32 divisors (see below), whose sum is σ = 315705600. Its totient is φ = 68444992.

The previous prime is 173243911. The next prime is 173243989. The reversal of 173243930 is 39342371.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413261 + ... + 413679.

It is an arithmetic number, because the mean of its divisors is an integer number (9865800).

Almost surely, 2^173243930 is an apocalyptic number.

173243930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173243930 is a deficient number, since it is larger than the sum of its proper divisors (142461670).

173243930 is a wasteful number, since it uses less digits than its factorization.

173243930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 173243930 is about 13162.2159988355. The cubic root of 173243930 is about 557.4672291327.

The spelling of 173243930 in words is "one hundred seventy-three million, two hundred forty-three thousand, nine hundred thirty".