4420431323121 has 8 divisors (see below), whose sum is σ = 6429718288224. Its totient is φ = 2679049286720.

The previous prime is 4420431323089. The next prime is 4420431323123. The reversal of 4420431323121 is 1213231340244.

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 4420431323121 - 2⁵ = 4420431323089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4420431323123) 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, 66976232136 + ... + 66976232201.

It is an arithmetic number, because the mean of its divisors is an integer number (803714786028).

Almost surely, 2^{4420431323121} is an apocalyptic number.

It is an amenable number.

4420431323121 is a deficient number, since it is larger than the sum of its proper divisors (2009286965103).

4420431323121 is a wasteful number, since it uses less digits than its factorization.

4420431323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133952464351.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 4420431323121 its reverse (1213231340244), we get a palindrome (5633662663365).

The spelling of 4420431323121 in words is "four trillion, four hundred twenty billion, four hundred thirty-one million, three hundred twenty-three thousand, one hundred twenty-one".