203230361 has 2 divisors, whose sum is σ = 203230362. Its totient is φ = 203230360.

The previous prime is 203230333. The next prime is 203230373. The reversal of 203230361 is 163032302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201072400 + 2157961 = 14180^2 + 1469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203230361 is a prime.

It is not a weakly prime, because it can be changed into another prime (203232361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101615180 + 101615181.

It is an arithmetic number, because the mean of its divisors is an integer number (101615181).

Almost surely, 2^203230361 is an apocalyptic number.

It is an amenable number.

203230361 is a deficient number, since it is larger than the sum of its proper divisors (1).

203230361 is an equidigital number, since it uses as much as digits as its factorization.

203230361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 203230361 is about 14255.8886429433. Note that the first 3 decimals coincide. The cubic root of 203230361 is about 587.9352908645.

Adding to 203230361 its reverse (163032302), we get a palindrome (366262663).

The spelling of 203230361 in words is "two hundred three million, two hundred thirty thousand, three hundred sixty-one".