38123712 has 126 divisors (see below), whose sum is σ = 120331484. Its totient is φ = 11531520.

The previous prime is 38123711. The next prime is 38123717. The reversal of 38123712 is 21732183.

It is not an unprimeable number, because it can be changed into a prime (38123711) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 69423 + ... + 69969.

Almost surely, 2^38123712 is an apocalyptic number.

38123712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38123712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60165742).

38123712 is an abundant number, since it is smaller than the sum of its proper divisors (82207772).

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

38123712 is a wasteful number, since it uses less digits than its factorization.

38123712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 563 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 38123712 is about 6174.4402175420. The cubic root of 38123712 is about 336.5619846853.

Adding to 38123712 its reverse (21732183), we get a palindrome (59855895).

The spelling of 38123712 in words is "thirty-eight million, one hundred twenty-three thousand, seven hundred twelve".