230421293 has 2 divisors, whose sum is σ = 230421294. Its totient is φ = 230421292.

The previous prime is 230421287. The next prime is 230421343. The reversal of 230421293 is 392124032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147938569 + 82482724 = 12163^2 + 9082^2 .

It is a cyclic number.

It is not a de Polignac number, because 230421293 - 2⁶ = 230421229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230421203) 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, 115210646 + 115210647.

It is an arithmetic number, because the mean of its divisors is an integer number (115210647).

Almost surely, 2^230421293 is an apocalyptic number.

It is an amenable number.

230421293 is a deficient number, since it is larger than the sum of its proper divisors (1).

230421293 is an equidigital number, since it uses as much as digits as its factorization.

230421293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 230421293 is about 15179.6341523767. The cubic root of 230421293 is about 613.0664307807.

The spelling of 230421293 in words is "two hundred thirty million, four hundred twenty-one thousand, two hundred ninety-three".