230415421 has 2 divisors, whose sum is σ = 230415422. Its totient is φ = 230415420.

The previous prime is 230415407. The next prime is 230415439. The reversal of 230415421 is 124514032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225420196 + 4995225 = 15014^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 230415421 - 2⁷ = 230415293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230415392 and 230415401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230415491) 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 as a sum of consecutive naturals, namely, 115207710 + 115207711.

It is an arithmetic number, because the mean of its divisors is an integer number (115207711).

Almost surely, 2^230415421 is an apocalyptic number.

It is an amenable number.

230415421 is a deficient number, since it is larger than the sum of its proper divisors (1).

230415421 is an equidigital number, since it uses as much as digits as its factorization.

230415421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 230415421 is about 15179.4407340982. The cubic root of 230415421 is about 613.0612229914.

Adding to 230415421 its reverse (124514032), we get a palindrome (354929453).

The spelling of 230415421 in words is "two hundred thirty million, four hundred fifteen thousand, four hundred twenty-one".