1223434230431 has 12 divisors (see below), whose sum is σ = 1423220385672. Its totient is φ = 1048627118448.

The previous prime is 1223434230413. The next prime is 1223434230443. The reversal of 1223434230431 is 1340324343221.

It is not a de Polignac number, because 1223434230431 - 2¹⁴ = 1223434214047 is a prime.

It is a super-3 number, since 3×1223434230431³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223434230451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1405661 + ... + 2103033.

It is an arithmetic number, because the mean of its divisors is an integer number (118601698806).

Almost surely, 2^{1223434230431} is an apocalyptic number.

1223434230431 is a deficient number, since it is larger than the sum of its proper divisors (199786155241).

1223434230431 is an equidigital number, since it uses as much as digits as its factorization.

1223434230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733190 (or 733183 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1223434230431 its reverse (1340324343221), we get a palindrome (2563758573652).

The spelling of 1223434230431 in words is "one trillion, two hundred twenty-three billion, four hundred thirty-four million, two hundred thirty thousand, four hundred thirty-one".