4123143404240 has 120 divisors (see below), whose sum is σ = 11152614615552. Its totient is φ = 1413497729280.

The previous prime is 4123143404227. The next prime is 4123143404273. The reversal of 4123143404240 is 424043413214.

It is a junction number, because it is equal to n+sod(n) for n = 4123143404197 and 4123143404206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40211117 + ... + 40313523.

Almost surely, 2^{4123143404240} is an apocalyptic number.

4123143404240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4123143404240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5576307307776).

4123143404240 is an abundant number, since it is smaller than the sum of its proper divisors (7029471211312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4123143404240 is a wasteful number, since it uses less digits than its factorization.

4123143404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112705 (or 112692 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4123143404240 its reverse (424043413214), we get a palindrome (4547186817454).

The spelling of 4123143404240 in words is "four trillion, one hundred twenty-three billion, one hundred forty-three million, four hundred four thousand, two hundred forty".