230917973 has 12 divisors (see below), whose sum is σ = 273345324. Its totient is φ = 193776000.

The previous prime is 230917969. The next prime is 230917991. The reversal of 230917973 is 379719032.

It can be written as a sum of positive squares in 2 ways, for example, as 131377444 + 99540529 = 11462^2 + 9977^2 .

It is not a de Polignac number, because 230917973 - 2² = 230917969 is a prime.

It is a super-2 number, since 2×230917973² = 106646220508857458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230917973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230917903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71828 + ... + 74973.

It is an arithmetic number, because the mean of its divisors is an integer number (22778777).

Almost surely, 2^230917973 is an apocalyptic number.

It is an amenable number.

230917973 is a deficient number, since it is larger than the sum of its proper divisors (42427351).

230917973 is a wasteful number, since it uses less digits than its factorization.

230917973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146836 (or 146825 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 230917973 is about 15195.9854237887. The cubic root of 230917973 is about 613.5066090122.

The spelling of 230917973 in words is "two hundred thirty million, nine hundred seventeen thousand, nine hundred seventy-three".