234433135247 has 8 divisors (see below), whose sum is σ = 234944664960. Its totient is φ = 233922035160.

The previous prime is 234433135241. The next prime is 234433135249. The reversal of 234433135247 is 742531334432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234433135247 - 2²² = 234428940943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234433135241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997472 + ... + 1209882.

It is an arithmetic number, because the mean of its divisors is an integer number (29368083120).

Almost surely, 2^234433135247 is an apocalyptic number.

234433135247 is a deficient number, since it is larger than the sum of its proper divisors (511529713).

234433135247 is a wasteful number, since it uses less digits than its factorization.

234433135247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214813.

The product of its digits is 725760, while the sum is 41.

Adding to 234433135247 its reverse (742531334432), we get a palindrome (976964469679).

The spelling of 234433135247 in words is "two hundred thirty-four billion, four hundred thirty-three million, one hundred thirty-five thousand, two hundred forty-seven".