173238980 has 24 divisors (see below), whose sum is σ = 370668312. Its totient is φ = 67987712.

The previous prime is 173238977. The next prime is 173238983. The reversal of 173238980 is 89832371.

It is an interprime number because it is at equal distance from previous prime (173238977) and next prime (173238983).

It can be written as a sum of positive squares in 4 ways, for example, as 80425024 + 92813956 = 8968^2 + 9634^2 .

It is not an unprimeable number, because it can be changed into a prime (173238983) 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 7 ways as a sum of consecutive naturals, for example, 80657 + ... + 82776.

It is an arithmetic number, because the mean of its divisors is an integer number (15444513).

Almost surely, 2^173238980 is an apocalyptic number.

173238980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173238980 is an abundant number, since it is smaller than the sum of its proper divisors (197429332).

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

173238980 is a wasteful number, since it uses less digits than its factorization.

173238980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163495 (or 163493 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 173238980 is about 13162.0279592470. The cubic root of 173238980 is about 557.4619196844.

The spelling of 173238980 in words is "one hundred seventy-three million, two hundred thirty-eight thousand, nine hundred eighty".