434321231 has 4 divisors (see below), whose sum is σ = 434443152. Its totient is φ = 434199312.

The previous prime is 434321227. The next prime is 434321257. The reversal of 434321231 is 132123434.

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 434321231 - 2² = 434321227 is a prime.

It is a super-2 number, since 2×434321231² = 377269863394710722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434321197 and 434321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434321201) 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, 55451 + ... + 62796.

It is an arithmetic number, because the mean of its divisors is an integer number (108610788).

Almost surely, 2^434321231 is an apocalyptic number.

434321231 is a deficient number, since it is larger than the sum of its proper divisors (121921).

434321231 is a wasteful number, since it uses less digits than its factorization.

434321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121920.

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

The square root of 434321231 is about 20840.3750206180. The cubic root of 434321231 is about 757.3041786702.

Adding to 434321231 its reverse (132123434), we get a palindrome (566444665).

The spelling of 434321231 in words is "four hundred thirty-four million, three hundred twenty-one thousand, two hundred thirty-one".