230417921 has 16 divisors (see below), whose sum is σ = 246000000. Its totient is φ = 215208576.

The previous prime is 230417917. The next prime is 230417987. The reversal of 230417921 is 129714032.

It is a cyclic number.

It is not a de Polignac number, because 230417921 - 2² = 230417917 is a prime.

It is a super-3 number, since 3×230417921³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230417911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563165 + ... + 563573.

It is an arithmetic number, because the mean of its divisors is an integer number (15375000).

Almost surely, 2^230417921 is an apocalyptic number.

It is an amenable number.

230417921 is a deficient number, since it is larger than the sum of its proper divisors (15582079).

230417921 is a wasteful number, since it uses less digits than its factorization.

230417921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 230417921 is about 15179.5230820998. The cubic root of 230417921 is about 613.0634402149.

The spelling of 230417921 in words is "two hundred thirty million, four hundred seventeen thousand, nine hundred twenty-one".