230412389 has 2 divisors, whose sum is σ = 230412390. Its totient is φ = 230412388.

The previous prime is 230412379. The next prime is 230412419. The reversal of 230412389 is 983214032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207849889 + 22562500 = 14417^2 + 4750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230412389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230412379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115206194 + 115206195.

It is an arithmetic number, because the mean of its divisors is an integer number (115206195).

Almost surely, 2^230412389 is an apocalyptic number.

It is an amenable number.

230412389 is a deficient number, since it is larger than the sum of its proper divisors (1).

230412389 is an equidigital number, since it uses as much as digits as its factorization.

230412389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 230412389 is about 15179.3408618425. The cubic root of 230412389 is about 613.0585339211.

The spelling of 230412389 in words is "two hundred thirty million, four hundred twelve thousand, three hundred eighty-nine".