2144223431235 has 24 divisors (see below), whose sum is σ = 3749544699264. Its totient is φ = 1133465598720.

The previous prime is 2144223431209. The next prime is 2144223431237. The reversal of 2144223431235 is 5321343224412.

2144223431235 is a `hidden beast` number, since 21 + 44 + 22 + 343 + 1 + 235 = 666.

It is not a de Polignac number, because 2144223431235 - 2¹⁰ = 2144223430211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144223431235.

It is not an unprimeable number, because it can be changed into a prime (2144223431237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210833011 + ... + 210843180.

It is an arithmetic number, because the mean of its divisors is an integer number (156231029136).

Almost surely, 2^{2144223431235} is an apocalyptic number.

2144223431235 is a deficient number, since it is larger than the sum of its proper divisors (1605321268029).

2144223431235 is a wasteful number, since it uses less digits than its factorization.

2144223431235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421676315 (or 421676312 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 2144223431235 its reverse (5321343224412), we get a palindrome (7465566655647).

The spelling of 2144223431235 in words is "two trillion, one hundred forty-four billion, two hundred twenty-three million, four hundred thirty-one thousand, two hundred thirty-five".