231414563 has 4 divisors (see below), whose sum is σ = 231487368. Its totient is φ = 231341760.

The previous prime is 231414559. The next prime is 231414587. The reversal of 231414563 is 365414132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231414563 - 2² = 231414559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231414553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31406 + ... + 38067.

It is an arithmetic number, because the mean of its divisors is an integer number (57871842).

Almost surely, 2^231414563 is an apocalyptic number.

231414563 is a deficient number, since it is larger than the sum of its proper divisors (72805).

231414563 is an equidigital number, since it uses as much as digits as its factorization.

231414563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72804.

The product of its digits is 8640, while the sum is 29.

The square root of 231414563 is about 15212.3161615843. The cubic root of 231414563 is about 613.9460769205.

Adding to 231414563 its reverse (365414132), we get a palindrome (596828695).

The spelling of 231414563 in words is "two hundred thirty-one million, four hundred fourteen thousand, five hundred sixty-three".