1243422340324 has 24 divisors (see below), whose sum is σ = 2182360739328. Its totient is φ = 619891389120.

The previous prime is 1243422340313. The next prime is 1243422340337. The reversal of 1243422340324 is 4230432243421.

It is a self number, because there is not a number n which added to its sum of digits gives 1243422340324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7375557 + ... + 7542259.

It is an arithmetic number, because the mean of its divisors is an integer number (90931697472).

Almost surely, 2^{1243422340324} is an apocalyptic number.

It is an amenable number.

1243422340324 is a deficient number, since it is larger than the sum of its proper divisors (938938399004).

1243422340324 is a wasteful number, since it uses less digits than its factorization.

1243422340324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172155 (or 172153 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 1243422340324 its reverse (4230432243421), we get a palindrome (5473854583745).

The spelling of 1243422340324 in words is "one trillion, two hundred forty-three billion, four hundred twenty-two million, three hundred forty thousand, three hundred twenty-four".