230438641 has 2 divisors, whose sum is σ = 230438642. Its totient is φ = 230438640.

The previous prime is 230438639. The next prime is 230438651. The reversal of 230438641 is 146834032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230432400 + 6241 = 15180^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 230438641 - 2¹ = 230438639 is a prime.

Together with 230438639, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230438651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115219320 + 115219321.

It is an arithmetic number, because the mean of its divisors is an integer number (115219321).

Almost surely, 2^230438641 is an apocalyptic number.

It is an amenable number.

230438641 is a deficient number, since it is larger than the sum of its proper divisors (1).

230438641 is an equidigital number, since it uses as much as digits as its factorization.

230438641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 230438641 is about 15180.2055651430. The cubic root of 230438641 is about 613.0818159467.

It can be divided in two parts, 23043 and 8641, that added together give a square (31684 = 178²).

The spelling of 230438641 in words is "two hundred thirty million, four hundred thirty-eight thousand, six hundred forty-one".