230660431 has 4 divisors (see below), whose sum is σ = 234103192. Its totient is φ = 227217672.

The previous prime is 230660411. The next prime is 230660453. The reversal of 230660431 is 134066032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230660431 - 2¹³ = 230652239 is a prime.

It is a super-3 number, since 3×230660431³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230660396 and 230660405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230660401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721280 + ... + 1721413.

It is an arithmetic number, because the mean of its divisors is an integer number (58525798).

Almost surely, 2^230660431 is an apocalyptic number.

230660431 is a deficient number, since it is larger than the sum of its proper divisors (3442761).

230660431 is an equidigital number, since it uses as much as digits as its factorization.

230660431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442760.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 230660431 is about 15187.5090452648. The cubic root of 230660431 is about 613.2784435821.

The spelling of 230660431 in words is "two hundred thirty million, six hundred sixty thousand, four hundred thirty-one".