1243234044434 has 64 divisors (see below), whose sum is σ = 2006544089088. Its totient is φ = 576681940800.

The previous prime is 1243234044401. The next prime is 1243234044439. The reversal of 1243234044434 is 4344404323421.

It is not an unprimeable number, because it can be changed into a prime (1243234044439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42196052 + ... + 42225504.

It is an arithmetic number, because the mean of its divisors is an integer number (31352251392).

Almost surely, 2^{1243234044434} is an apocalyptic number.

1243234044434 is a deficient number, since it is larger than the sum of its proper divisors (763310044654).

1243234044434 is a wasteful number, since it uses less digits than its factorization.

1243234044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29823.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 1243234044434 its reverse (4344404323421), we get a palindrome (5587638367855).

The spelling of 1243234044434 in words is "one trillion, two hundred forty-three billion, two hundred thirty-four million, forty-four thousand, four hundred thirty-four".