5126721323223 has 8 divisors (see below), whose sum is σ = 6837164199936. Its totient is φ = 3417046331000.

The previous prime is 5126721323203. The next prime is 5126721323261. The reversal of 5126721323223 is 3223231276215.

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

It is a cyclic number.

It is not a de Polignac number, because 5126721323223 - 2⁹ = 5126721322711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5126721323203) 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, 191955543 + ... + 191982248.

It is an arithmetic number, because the mean of its divisors is an integer number (854645524992).

Almost surely, 2^{5126721323223} is an apocalyptic number.

5126721323223 is a deficient number, since it is larger than the sum of its proper divisors (1710442876713).

5126721323223 is a wasteful number, since it uses less digits than its factorization.

5126721323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383942245.

The product of its digits is 181440, while the sum is 39.

Adding to 5126721323223 its reverse (3223231276215), we get a palindrome (8349952599438).

The spelling of 5126721323223 in words is "five trillion, one hundred twenty-six billion, seven hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty-three".