1243043231434 has 8 divisors (see below), whose sum is σ = 1881990687168. Its totient is φ = 615713002380.

The previous prime is 1243043231429. The next prime is 1243043231453. The reversal of 1243043231434 is 4341323403421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1243043231434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904306402 + ... + 2904306829.

It is an arithmetic number, because the mean of its divisors is an integer number (235248835896).

Almost surely, 2^{1243043231434} is an apocalyptic number.

1243043231434 is a deficient number, since it is larger than the sum of its proper divisors (638947455734).

1243043231434 is a wasteful number, since it uses less digits than its factorization.

1243043231434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808613340.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 1243043231434 its reverse (4341323403421), we get a palindrome (5584366634855).

The spelling of 1243043231434 in words is "one trillion, two hundred forty-three billion, forty-three million, two hundred thirty-one thousand, four hundred thirty-four".