2234423521523 has 4 divisors (see below), whose sum is σ = 2234472873360. Its totient is φ = 2234374169688.

The previous prime is 2234423521513. The next prime is 2234423521553. The reversal of 2234423521523 is 3251253244322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2234423521523 - 2¹⁶ = 2234423455987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2234423521513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24607943 + ... + 24698576.

It is an arithmetic number, because the mean of its divisors is an integer number (558618218340).

Almost surely, 2^{2234423521523} is an apocalyptic number.

2234423521523 is a deficient number, since it is larger than the sum of its proper divisors (49351837).

2234423521523 is an equidigital number, since it uses as much as digits as its factorization.

2234423521523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351836.

The product of its digits is 345600, while the sum is 38.

Adding to 2234423521523 its reverse (3251253244322), we get a palindrome (5485676765845).

The spelling of 2234423521523 in words is "two trillion, two hundred thirty-four billion, four hundred twenty-three million, five hundred twenty-one thousand, five hundred twenty-three".