230173421 has 8 divisors (see below), whose sum is σ = 244953720. Its totient is φ = 215531008.

The previous prime is 230173399. The next prime is 230173423. The reversal of 230173421 is 124371032.

It can be written as a sum of positive squares in 4 ways, for example, as 146652100 + 83521321 = 12110^2 + 9139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230173421 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 (230173423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31016 + ... + 37713.

It is an arithmetic number, because the mean of its divisors is an integer number (30619215).

Almost surely, 2^230173421 is an apocalyptic number.

It is an amenable number.

230173421 is a deficient number, since it is larger than the sum of its proper divisors (14780299).

230173421 is a wasteful number, since it uses less digits than its factorization.

230173421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68943.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 230173421 is about 15171.4673318041. The cubic root of 230173421 is about 612.8465197890.

The spelling of 230173421 in words is "two hundred thirty million, one hundred seventy-three thousand, four hundred twenty-one".