231412433 has 4 divisors (see below), whose sum is σ = 264471360. Its totient is φ = 198353508.

The previous prime is 231412429. The next prime is 231412451. The reversal of 231412433 is 334214132.

231412433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231412433 - 2² = 231412429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231412399 and 231412408.

It is not an unprimeable number, because it can be changed into a prime (231412033) 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, 16529453 + ... + 16529466.

It is an arithmetic number, because the mean of its divisors is an integer number (66117840).

Almost surely, 2^231412433 is an apocalyptic number.

It is an amenable number.

231412433 is a deficient number, since it is larger than the sum of its proper divisors (33058927).

231412433 is an equidigital number, since it uses as much as digits as its factorization.

231412433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058926.

The product of its digits is 1728, while the sum is 23.

The square root of 231412433 is about 15212.2461523603. The cubic root of 231412433 is about 613.9441932748.

Adding to 231412433 its reverse (334214132), we get a palindrome (565626565).

The spelling of 231412433 in words is "two hundred thirty-one million, four hundred twelve thousand, four hundred thirty-three".