4321123443120 has 160 divisors (see below), whose sum is σ = 14651411963904. Its totient is φ = 1044809728000.

The previous prime is 4321123443029. The next prime is 4321123443229. The reversal of 4321123443120 is 213443211234.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1125681 + ... + 3147920.

Almost surely, 2^{4321123443120} is an apocalyptic number.

4321123443120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4321123443120 is an abundant number, since it is smaller than the sum of its proper divisors (10330288520784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4321123443120 is a wasteful number, since it uses less digits than its factorization.

4321123443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274011 (or 4274005 counting only the distinct ones).

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

Adding to 4321123443120 its reverse (213443211234), we get a palindrome (4534566654354).

The spelling of 4321123443120 in words is "four trillion, three hundred twenty-one billion, one hundred twenty-three million, four hundred forty-three thousand, one hundred twenty".