38426821731123 has 32 divisors (see below), whose sum is σ = 58770478319616. Its totient is φ = 21877448934528.

The previous prime is 38426821730959. The next prime is 38426821731163. The reversal of 38426821731123 is 32113712862483.

38426821731123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38426821731123 - 2³⁸ = 38151943824179 is a prime.

It is a super-2 number, since 2×38426821731123² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38426821731163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89909590 + ... + 90335972.

It is an arithmetic number, because the mean of its divisors is an integer number (1836577447488).

Almost surely, 2^{38426821731123} is an apocalyptic number.

38426821731123 is a deficient number, since it is larger than the sum of its proper divisors (20343656588493).

38426821731123 is a wasteful number, since it uses less digits than its factorization.

38426821731123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442163.

The product of its digits is 2322432, while the sum is 51.

The spelling of 38426821731123 in words is "thirty-eight trillion, four hundred twenty-six billion, eight hundred twenty-one million, seven hundred thirty-one thousand, one hundred twenty-three".