4321402021123 has 16 divisors (see below), whose sum is σ = 4803542805600. Its totient is φ = 3854152673280.

The previous prime is 4321402021093. The next prime is 4321402021151. The reversal of 4321402021123 is 3211202041234.

It is not a de Polignac number, because 4321402021123 - 2¹⁷ = 4321401890051 is a prime.

It is a super-2 number, since 2×4321402021123² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4321402021723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8275363 + ... + 8782051.

It is an arithmetic number, because the mean of its divisors is an integer number (300221425350).

Almost surely, 2^{4321402021123} is an apocalyptic number.

4321402021123 is a deficient number, since it is larger than the sum of its proper divisors (482140784477).

4321402021123 is a wasteful number, since it uses less digits than its factorization.

4321402021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521382.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4321402021123 its reverse (3211202041234), we get a palindrome (7532604062357).

The spelling of 4321402021123 in words is "four trillion, three hundred twenty-one billion, four hundred two million, twenty-one thousand, one hundred twenty-three".