1234344434321 has 4 divisors (see below), whose sum is σ = 1254579589044. Its totient is φ = 1214109279600.

The previous prime is 1234344434233. The next prime is 1234344434417.

1234344434321 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 392547359296 + 841797075025 = 626536^2 + 917495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234344434321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234344634321) 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, 10117577270 + ... + 10117577391.

It is an arithmetic number, because the mean of its divisors is an integer number (313644897261).

Almost surely, 2^{1234344434321} is an apocalyptic number.

It is an amenable number.

1234344434321 is a deficient number, since it is larger than the sum of its proper divisors (20235154723).

1234344434321 is an equidigital number, since it uses as much as digits as its factorization.

1234344434321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235154722.

The product of its digits is 331776, while the sum is 38.

The spelling of 1234344434321 in words is "one trillion, two hundred thirty-four billion, three hundred forty-four million, four hundred thirty-four thousand, three hundred twenty-one".