231403063 has 2 divisors, whose sum is σ = 231403064. Its totient is φ = 231403062.

The previous prime is 231403037. The next prime is 231403079. The reversal of 231403063 is 360304132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231403063 - 2²⁵ = 197848631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231403013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115701531 + 115701532.

It is an arithmetic number, because the mean of its divisors is an integer number (115701532).

Almost surely, 2^231403063 is an apocalyptic number.

231403063 is a deficient number, since it is larger than the sum of its proper divisors (1).

231403063 is an equidigital number, since it uses as much as digits as its factorization.

231403063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 231403063 is about 15211.9381736845. The cubic root of 231403063 is about 613.9359068650.

Adding to 231403063 its reverse (360304132), we get a palindrome (591707195).

The spelling of 231403063 in words is "two hundred thirty-one million, four hundred three thousand, sixty-three".