38521325723 has 8 divisors (see below), whose sum is σ = 39371564880. Its totient is φ = 37678142880.

The previous prime is 38521325683. The next prime is 38521325749. The reversal of 38521325723 is 32752312583.

It is a happy number.

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 38521325723 - 2⁸ = 38521325467 is a prime.

It is a super-2 number, since 2×38521325723² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38521325023) 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, 1753040 + ... + 1774877.

It is an arithmetic number, because the mean of its divisors is an integer number (4921445610).

Almost surely, 2^38521325723 is an apocalyptic number.

38521325723 is a deficient number, since it is larger than the sum of its proper divisors (850239157).

38521325723 is a wasteful number, since it uses less digits than its factorization.

38521325723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528157.

The product of its digits is 302400, while the sum is 41.

The spelling of 38521325723 in words is "thirty-eight billion, five hundred twenty-one million, three hundred twenty-five thousand, seven hundred twenty-three".