230312449 has 2 divisors, whose sum is σ = 230312450. Its totient is φ = 230312448.

The previous prime is 230312443. The next prime is 230312477. The reversal of 230312449 is 944213032.

It is an a-pointer prime, because the next prime (230312477) can be obtained adding 230312449 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124880625 + 105431824 = 11175^2 + 10268^2 .

It is a cyclic number.

It is not a de Polignac number, because 230312449 - 2¹⁹ = 229788161 is a prime.

It is not a weakly prime, because it can be changed into another prime (230312443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115156224 + 115156225.

It is an arithmetic number, because the mean of its divisors is an integer number (115156225).

Almost surely, 2^230312449 is an apocalyptic number.

It is an amenable number.

230312449 is a deficient number, since it is larger than the sum of its proper divisors (1).

230312449 is an equidigital number, since it uses as much as digits as its factorization.

230312449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 230312449 is about 15176.0485304970. The cubic root of 230312449 is about 612.9698842748.

The spelling of 230312449 in words is "two hundred thirty million, three hundred twelve thousand, four hundred forty-nine".