4321021012123 has 8 divisors (see below), whose sum is σ = 4438302491088. Its totient is φ = 4203765697824.

The previous prime is 4321021012117. The next prime is 4321021012171. The reversal of 4321021012123 is 3212101201234.

4321021012123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4321021012123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321021012094 and 4321021012103.

It is not an unprimeable number, because it can be changed into a prime (4321021012223) 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, 6206161 + ... + 6867202.

It is an arithmetic number, because the mean of its divisors is an integer number (554787811386).

Almost surely, 2^{4321021012123} is an apocalyptic number.

4321021012123 is a deficient number, since it is larger than the sum of its proper divisors (117281478965).

4321021012123 is a wasteful number, since it uses less digits than its factorization.

4321021012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13082333.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 4321021012123 its reverse (3212101201234), we get a palindrome (7533122213357).

The spelling of 4321021012123 in words is "four trillion, three hundred twenty-one billion, twenty-one million, twelve thousand, one hundred twenty-three".