2440143215123 has 8 divisors (see below), whose sum is σ = 2524338648480. Its totient is φ = 2355951286080.

The previous prime is 2440143215099. The next prime is 2440143215131. The reversal of 2440143215123 is 3215123410442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2440143215123 - 2⁸ = 2440143214867 is a prime.

It is a super-2 number, since 2×2440143215123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2440143215123.

It is not an unprimeable number, because it can be changed into a prime (2440143215143) 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, 581738 + ... + 2284448.

It is an arithmetic number, because the mean of its divisors is an integer number (315542331060).

Almost surely, 2^{2440143215123} is an apocalyptic number.

2440143215123 is a deficient number, since it is larger than the sum of its proper divisors (84195433357).

2440143215123 is a wasteful number, since it uses less digits than its factorization.

2440143215123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752157.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 2440143215123 its reverse (3215123410442), we get a palindrome (5655266625565).

The spelling of 2440143215123 in words is "two trillion, four hundred forty billion, one hundred forty-three million, two hundred fifteen thousand, one hundred twenty-three".