2143323742560 has 576 divisors, whose sum is σ = 9133606573056. Its totient is φ = 411106037760.

The previous prime is 2143323742559. The next prime is 2143323742597. The reversal of 2143323742560 is 652473233412.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5082517 + ... + 5488043.

It is an arithmetic number, because the mean of its divisors is an integer number (15856955856).

Almost surely, 2^{2143323742560} is an apocalyptic number.

2143323742560 is a gapful number since it is divisible by the number (20) 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 2143323742560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4566803286528).

2143323742560 is an abundant number, since it is smaller than the sum of its proper divisors (6990282830496).

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

2143323742560 is a wasteful number, since it uses less digits than its factorization.

2143323742560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405587 (or 405568 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

Adding to 2143323742560 its reverse (652473233412), we get a palindrome (2795796975972).

The spelling of 2143323742560 in words is "two trillion, one hundred forty-three billion, three hundred twenty-three million, seven hundred forty-two thousand, five hundred sixty".