2043442421223 has 32 divisors (see below), whose sum is σ = 3278860915200. Its totient is φ = 1105833378816.

The previous prime is 2043442421149. The next prime is 2043442421227. The reversal of 2043442421223 is 3221242443402.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2043442421223 is a prime.

It is a super-4 number, since 4×2043442421223⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043442421227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226483 + ... + 2034251.

It is an arithmetic number, because the mean of its divisors is an integer number (102464403600).

Almost surely, 2^{2043442421223} is an apocalyptic number.

2043442421223 is a deficient number, since it is larger than the sum of its proper divisors (1235418493977).

2043442421223 is a wasteful number, since it uses less digits than its factorization.

2043442421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810631.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 2043442421223 its reverse (3221242443402), we get a palindrome (5264684864625).

The spelling of 2043442421223 in words is "two trillion, forty-three billion, four hundred forty-two million, four hundred twenty-one thousand, two hundred twenty-three".