40002142441123 has 16 divisors (see below), whose sum is σ = 42415861662720. Its totient is φ = 37595166660736.

The previous prime is 40002142441117. The next prime is 40002142441139. The reversal of 40002142441123 is 32114424120004.

It is a de Polignac number, because none of the positive numbers 2^k-40002142441123 is a prime.

It is a super-2 number, since 2×40002142441123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40002142441091 and 40002142441100.

It is not an unprimeable number, because it can be changed into a prime (40002442441123) 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, 389654586 + ... + 389757232.

It is an arithmetic number, because the mean of its divisors is an integer number (2650991353920).

Almost surely, 2^{40002142441123} is an apocalyptic number.

40002142441123 is a deficient number, since it is larger than the sum of its proper divisors (2413719221597).

40002142441123 is a wasteful number, since it uses less digits than its factorization.

40002142441123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135266.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 40002142441123 its reverse (32114424120004), we get a palindrome (72116566561127).

The spelling of 40002142441123 in words is "forty trillion, two billion, one hundred forty-two million, four hundred forty-one thousand, one hundred twenty-three".