1243144214123 has 8 divisors (see below), whose sum is σ = 1453776622848. Its totient is φ = 1040771899944.

The previous prime is 1243144214111. The next prime is 1243144214161. The reversal of 1243144214123 is 3214124413421.

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

It is not a de Polignac number, because 1243144214123 - 2¹⁴ = 1243144197739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1243144214123.

It is not an unprimeable number, because it can be changed into a prime (1243144214173) 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, 2065023311 + ... + 2065023912.

It is an arithmetic number, because the mean of its divisors is an integer number (181722077856).

Almost surely, 2^{1243144214123} is an apocalyptic number.

1243144214123 is a deficient number, since it is larger than the sum of its proper divisors (210632408725).

1243144214123 is an equidigital number, since it uses as much as digits as its factorization.

1243144214123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130047273.

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

Adding to 1243144214123 its reverse (3214124413421), we get a palindrome (4457268627544).

The spelling of 1243144214123 in words is "one trillion, two hundred forty-three billion, one hundred forty-four million, two hundred fourteen thousand, one hundred twenty-three".