230543623 has 2 divisors, whose sum is σ = 230543624. Its totient is φ = 230543622.

The previous prime is 230543531. The next prime is 230543627. The reversal of 230543623 is 326345032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230543623 is a prime.

It is a super-2 number, since 2×230543623² = 106300724211932258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230543591 and 230543600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230543627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115271811 + 115271812.

It is an arithmetic number, because the mean of its divisors is an integer number (115271812).

Almost surely, 2^230543623 is an apocalyptic number.

230543623 is a deficient number, since it is larger than the sum of its proper divisors (1).

230543623 is an equidigital number, since it uses as much as digits as its factorization.

230543623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 230543623 is about 15183.6630297172. The cubic root of 230543623 is about 613.1749033205.

Adding to 230543623 its reverse (326345032), we get a palindrome (556888655).

The spelling of 230543623 in words is "two hundred thirty million, five hundred forty-three thousand, six hundred twenty-three".