4240213421123 has 4 divisors (see below), whose sum is σ = 4240415867880. Its totient is φ = 4240010974368.

The previous prime is 4240213421117. The next prime is 4240213421203. The reversal of 4240213421123 is 3211243120424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4240213421123 - 2¹⁰ = 4240213420099 is a prime.

It is a super-2 number, since 2×4240213421123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240213420123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101191958 + ... + 101233851.

It is an arithmetic number, because the mean of its divisors is an integer number (1060103966970).

Almost surely, 2^{4240213421123} is an apocalyptic number.

4240213421123 is a deficient number, since it is larger than the sum of its proper divisors (202446757).

4240213421123 is a wasteful number, since it uses less digits than its factorization.

4240213421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202446756.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4240213421123 its reverse (3211243120424), we get a palindrome (7451456541547).

The spelling of 4240213421123 in words is "four trillion, two hundred forty billion, two hundred thirteen million, four hundred twenty-one thousand, one hundred twenty-three".