231122603563 has 2 divisors, whose sum is σ = 231122603564. Its totient is φ = 231122603562.

The previous prime is 231122603549. The next prime is 231122603609. The reversal of 231122603563 is 365306221132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231122603563 - 2⁵ = 231122603531 is a prime.

It is not a weakly prime, because it can be changed into another prime (231122603363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561301781 + 115561301782.

It is an arithmetic number, because the mean of its divisors is an integer number (115561301782).

Almost surely, 2^231122603563 is an apocalyptic number.

231122603563 is a deficient number, since it is larger than the sum of its proper divisors (1).

231122603563 is an equidigital number, since it uses as much as digits as its factorization.

231122603563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 231122603563 its reverse (365306221132), we get a palindrome (596428824695).

The spelling of 231122603563 in words is "two hundred thirty-one billion, one hundred twenty-two million, six hundred three thousand, five hundred sixty-three".