2144535121323 has 24 divisors (see below), whose sum is σ = 3540303576576. Its totient is φ = 1225407582000.

The previous prime is 2144535121321. The next prime is 2144535121361. The reversal of 2144535121323 is 3231215354412.

2144535121323 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 5 + 3 + 512 + 132 + 3 = 666.

It is not a de Polignac number, because 2144535121323 - 2¹ = 2144535121321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144535121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1377348 + ... + 2487198.

It is an arithmetic number, because the mean of its divisors is an integer number (147512649024).

Almost surely, 2^{2144535121323} is an apocalyptic number.

2144535121323 is a deficient number, since it is larger than the sum of its proper divisors (1395768455253).

2144535121323 is a wasteful number, since it uses less digits than its factorization.

2144535121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140535 (or 1140532 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 2144535121323 in words is "two trillion, one hundred forty-four billion, five hundred thirty-five million, one hundred twenty-one thousand, three hundred twenty-three".