1144423212134 has 16 divisors (see below), whose sum is σ = 1717804735296. Its totient is φ = 571821768000.

The previous prime is 1144423212133. The next prime is 1144423212139. The reversal of 1144423212134 is 4312123244411.

It is a super-2 number, since 2×1144423212134² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1144423212134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144423212131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18761084 + ... + 18821984.

It is an arithmetic number, because the mean of its divisors is an integer number (107362795956).

Almost surely, 2^{1144423212134} is an apocalyptic number.

1144423212134 is a deficient number, since it is larger than the sum of its proper divisors (573381523162).

1144423212134 is a wasteful number, since it uses less digits than its factorization.

1144423212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67151.

The product of its digits is 18432, while the sum is 32.

Adding to 1144423212134 its reverse (4312123244411), we get a palindrome (5456546456545).

The spelling of 1144423212134 in words is "one trillion, one hundred forty-four billion, four hundred twenty-three million, two hundred twelve thousand, one hundred thirty-four".