4321423412500 has 72 divisors (see below), whose sum is σ = 9950009721120. Its totient is φ = 1637591940000.

The previous prime is 4321423412497. The next prime is 4321423412513. The reversal of 4321423412500 is 52143241234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8860234 + ... + 9335233.

It is an arithmetic number, because the mean of its divisors is an integer number (138194579460).

Almost surely, 2^{4321423412500} is an apocalyptic number.

It is an amenable number.

4321423412500 is an abundant number, since it is smaller than the sum of its proper divisors (5628586308620).

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

4321423412500 is a wasteful number, since it uses less digits than its factorization.

4321423412500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18195515 (or 18195493 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 4321423412500 its reverse (52143241234), we get a palindrome (4373566653734).

The spelling of 4321423412500 in words is "four trillion, three hundred twenty-one billion, four hundred twenty-three million, four hundred twelve thousand, five hundred".