538942823 has 8 divisors (see below), whose sum is σ = 570888720. Its totient is φ = 507024000.

The previous prime is 538942801. The next prime is 538942829. The reversal of 538942823 is 328249835.

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 538942823 - 2⁶ = 538942759 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 (538942829) 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, 46073 + ... + 56573.

It is an arithmetic number, because the mean of its divisors is an integer number (71361090).

Almost surely, 2^538942823 is an apocalyptic number.

538942823 is a deficient number, since it is larger than the sum of its proper divisors (31945897).

538942823 is a wasteful number, since it uses less digits than its factorization.

538942823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13537.

The product of its digits is 414720, while the sum is 44.

The square root of 538942823 is about 23215.1421059618. The cubic root of 538942823 is about 813.7935267259.

The spelling of 538942823 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, eight hundred twenty-three".