538355423 has 4 divisors (see below), whose sum is σ = 539711880. Its totient is φ = 536998968.

The previous prime is 538355417. The next prime is 538355431. The reversal of 538355423 is 324553835.

538355423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 538355423 - 2⁴ = 538355407 is a prime.

It is a super-2 number, since 2×538355423² = 579653122947017858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538355483) 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, 677633 + ... + 678426.

It is an arithmetic number, because the mean of its divisors is an integer number (134927970).

Almost surely, 2^538355423 is an apocalyptic number.

538355423 is a deficient number, since it is larger than the sum of its proper divisors (1356457).

538355423 is a wasteful number, since it uses less digits than its factorization.

538355423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356456.

The product of its digits is 216000, while the sum is 38.

The square root of 538355423 is about 23202.4874313079. The cubic root of 538355423 is about 813.4977649309.

It can be divided in two parts, 5383 and 55423, that added together give a palindrome (60806).

The spelling of 538355423 in words is "five hundred thirty-eight million, three hundred fifty-five thousand, four hundred twenty-three".