2042144440123 has 8 divisors (see below), whose sum is σ = 2156607226368. Its totient is φ = 1929821145384.

The previous prime is 2042144440081. The next prime is 2042144440151. The reversal of 2042144440123 is 3210444412402.

It is a happy number.

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-2042144440123 is a prime.

It is a super-2 number, since 2×2042144440123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042144440423) 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, 534870915 + ... + 534874732.

It is an arithmetic number, because the mean of its divisors is an integer number (269575903296).

Almost surely, 2^{2042144440123} is an apocalyptic number.

2042144440123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2042144440123 is a deficient number, since it is larger than the sum of its proper divisors (114462786245).

2042144440123 is a wasteful number, since it uses less digits than its factorization.

2042144440123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069745753.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2042144440123 its reverse (3210444412402), we get a palindrome (5252588852525).

The spelling of 2042144440123 in words is "two trillion, forty-two billion, one hundred forty-four million, four hundred forty thousand, one hundred twenty-three".