5421265258723 has 8 divisors (see below), whose sum is σ = 5432055699200. Its totient is φ = 5410478029320.

The previous prime is 5421265258699. The next prime is 5421265258813. The reversal of 5421265258723 is 3278525621245.

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 5421265258723 - 2¹⁷ = 5421265127651 is a prime.

It is a super-2 number, since 2×5421265258723² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421265256723) 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, 2591458 + ... + 4190248.

It is an arithmetic number, because the mean of its divisors is an integer number (679006962400).

Almost surely, 2^{5421265258723} is an apocalyptic number.

5421265258723 is a deficient number, since it is larger than the sum of its proper divisors (10790440477).

5421265258723 is a wasteful number, since it uses less digits than its factorization.

5421265258723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605537.

The product of its digits is 8064000, while the sum is 52.

The spelling of 5421265258723 in words is "five trillion, four hundred twenty-one billion, two hundred sixty-five million, two hundred fifty-eight thousand, seven hundred twenty-three".