4423121434453 has 4 divisors (see below), whose sum is σ = 4424337583660. Its totient is φ = 4421905285248.

The previous prime is 4423121434451. The next prime is 4423121434499. The reversal of 4423121434453 is 3544341213244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2183839639524 + 2239281794929 = 1477782^2 + 1496423^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423121434453 - 2¹ = 4423121434451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423121434451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608069148 + ... + 608076421.

It is an arithmetic number, because the mean of its divisors is an integer number (1106084395915).

Almost surely, 2^{4423121434453} is an apocalyptic number.

It is an amenable number.

4423121434453 is a deficient number, since it is larger than the sum of its proper divisors (1216149207).

4423121434453 is a wasteful number, since it uses less digits than its factorization.

4423121434453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216149206.

The product of its digits is 552960, while the sum is 40.

Adding to 4423121434453 its reverse (3544341213244), we get a palindrome (7967462647697).

The spelling of 4423121434453 in words is "four trillion, four hundred twenty-three billion, one hundred twenty-one million, four hundred thirty-four thousand, four hundred fifty-three".