538728281123 has 8 divisors (see below), whose sum is σ = 540194896800. Its totient is φ = 537262085248.

The previous prime is 538728281101. The next prime is 538728281129. The reversal of 538728281123 is 321182827835.

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 538728281123 - 2⁶ = 538728281059 is a prime.

It is a super-2 number, since 2×538728281123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538728281129) 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, 2556698 + ... + 2759376.

It is an arithmetic number, because the mean of its divisors is an integer number (67524362100).

Almost surely, 2^538728281123 is an apocalyptic number.

538728281123 is a deficient number, since it is larger than the sum of its proper divisors (1466615677).

538728281123 is a wasteful number, since it uses less digits than its factorization.

538728281123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209901.

The product of its digits is 1290240, while the sum is 50.

The spelling of 538728281123 in words is "five hundred thirty-eight billion, seven hundred twenty-eight million, two hundred eighty-one thousand, one hundred twenty-three".