1243343001232 has 20 divisors (see below), whose sum is σ = 2535765332080. Its totient is φ = 588951947808.

The previous prime is 1243343001203. The next prime is 1243343001233. The reversal of 1243343001232 is 2321003433421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243343001232.

It is not an unprimeable number, because it can be changed into a prime (1243343001233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2044971738 + ... + 2044972345.

It is an arithmetic number, because the mean of its divisors is an integer number (126788266604).

Almost surely, 2^{1243343001232} is an apocalyptic number.

It is an amenable number.

1243343001232 is an abundant number, since it is smaller than the sum of its proper divisors (1292422330848).

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

1243343001232 is a wasteful number, since it uses less digits than its factorization.

1243343001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089944110 (or 4089944104 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1243343001232 its reverse (2321003433421), we get a palindrome (3564346434653).

The spelling of 1243343001232 in words is "one trillion, two hundred forty-three billion, three hundred forty-three million, one thousand, two hundred thirty-two".