230018747 has 4 divisors (see below), whose sum is σ = 262878576. Its totient is φ = 197158920.

The previous prime is 230018741. The next prime is 230018779. The reversal of 230018747 is 747810032.

It is a happy number.

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

It is not a de Polignac number, because 230018747 - 2⁸ = 230018491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230018741) 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, 16429904 + ... + 16429917.

It is an arithmetic number, because the mean of its divisors is an integer number (65719644).

Almost surely, 2^230018747 is an apocalyptic number.

230018747 is a deficient number, since it is larger than the sum of its proper divisors (32859829).

230018747 is an equidigital number, since it uses as much as digits as its factorization.

230018747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32859828.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 230018747 is about 15166.3689457958. The cubic root of 230018747 is about 612.7092136613.

Adding to 230018747 its reverse (747810032), we get a palindrome (977828779).

The spelling of 230018747 in words is "two hundred thirty million, eighteen thousand, seven hundred forty-seven".