1343123624440 has 128 divisors (see below), whose sum is σ = 3284541187200. Its totient is φ = 491360716800.

The previous prime is 1343123624369. The next prime is 1343123624497. The reversal of 1343123624440 is 444263213431.

It is a self number, because there is not a number n which added to its sum of digits gives 1343123624440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30522294 + ... + 30566266.

It is an arithmetic number, because the mean of its divisors is an integer number (25660478025).

Almost surely, 2^{1343123624440} is an apocalyptic number.

1343123624440 is a gapful number since it is divisible by the number (10) 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 1343123624440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642270593600).

1343123624440 is an abundant number, since it is smaller than the sum of its proper divisors (1941417562760).

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

1343123624440 is a wasteful number, since it uses less digits than its factorization.

1343123624440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44537 (or 44533 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 1343123624440 its reverse (444263213431), we get a palindrome (1787386837871).

The spelling of 1343123624440 in words is "one trillion, three hundred forty-three billion, one hundred twenty-three million, six hundred twenty-four thousand, four hundred forty".