38823423140 has 48 divisors (see below), whose sum is σ = 85837180800. Its totient is φ = 14709123072.

The previous prime is 38823423127. The next prime is 38823423143. The reversal of 38823423140 is 4132432883.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 38823423094 and 38823423103.

It is not an unprimeable number, because it can be changed into a prime (38823423143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3809732 + ... + 3819908.

It is an arithmetic number, because the mean of its divisors is an integer number (1788274600).

Almost surely, 2^38823423140 is an apocalyptic number.

It is an amenable number.

38823423140 is an abundant number, since it is smaller than the sum of its proper divisors (47013757660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38823423140 is a wasteful number, since it uses less digits than its factorization.

38823423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244 (or 20242 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 38823423140 in words is "thirty-eight billion, eight hundred twenty-three million, four hundred twenty-three thousand, one hundred forty".