230316421 has 2 divisors, whose sum is σ = 230316422. Its totient is φ = 230316420.

The previous prime is 230316377. The next prime is 230316439. The reversal of 230316421 is 124613032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226653025 + 3663396 = 15055^2 + 1914^2 .

It is a cyclic number.

It is not a de Polignac number, because 230316421 - 2¹⁷ = 230185349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230316392 and 230316401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230316481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115158210 + 115158211.

It is an arithmetic number, because the mean of its divisors is an integer number (115158211).

Almost surely, 2^230316421 is an apocalyptic number.

It is an amenable number.

230316421 is a deficient number, since it is larger than the sum of its proper divisors (1).

230316421 is an equidigital number, since it uses as much as digits as its factorization.

230316421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 230316421 is about 15176.1793940372. The cubic root of 230316421 is about 612.9734080420.

Adding to 230316421 its reverse (124613032), we get a palindrome (354929453).

The spelling of 230316421 in words is "two hundred thirty million, three hundred sixteen thousand, four hundred twenty-one".