230431433 has 2 divisors, whose sum is σ = 230431434. Its totient is φ = 230431432.

The previous prime is 230431417. The next prime is 230431451. The reversal of 230431433 is 334134032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198021184 + 32410249 = 14072^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 230431433 - 2⁴ = 230431417 is a prime.

It is a super-3 number, since 3×230431433³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230431399 and 230431408.

It is not a weakly prime, because it can be changed into another prime (230431493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115215716 + 115215717.

It is an arithmetic number, because the mean of its divisors is an integer number (115215717).

Almost surely, 2^230431433 is an apocalyptic number.

It is an amenable number.

230431433 is a deficient number, since it is larger than the sum of its proper divisors (1).

230431433 is an equidigital number, since it uses as much as digits as its factorization.

230431433 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 23.

The square root of 230431433 is about 15179.9681488467. The cubic root of 230431433 is about 613.0754235874.

Adding to 230431433 its reverse (334134032), we get a palindrome (564565465).

The spelling of 230431433 in words is "two hundred thirty million, four hundred thirty-one thousand, four hundred thirty-three".