230453389 has 2 divisors, whose sum is σ = 230453390. Its totient is φ = 230453388.

The previous prime is 230453369. The next prime is 230453407. The reversal of 230453389 is 983354032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 97812100 = 11517^2 + 9890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230453389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230453369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115226694 + 115226695.

It is an arithmetic number, because the mean of its divisors is an integer number (115226695).

Almost surely, 2^230453389 is an apocalyptic number.

It is an amenable number.

230453389 is a deficient number, since it is larger than the sum of its proper divisors (1).

230453389 is an equidigital number, since it uses as much as digits as its factorization.

230453389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 230453389 is about 15180.6913215440. The cubic root of 230453389 is about 613.0948946817.

The spelling of 230453389 in words is "two hundred thirty million, four hundred fifty-three thousand, three hundred eighty-nine".