38572123 has 4 divisors (see below), whose sum is σ = 38669680. Its totient is φ = 38474568.

The previous prime is 38572097. The next prime is 38572139. The reversal of 38572123 is 32127583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32127583 = 1217 ⋅26399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38572123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38578123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48183 + ... + 48976.

It is an arithmetic number, because the mean of its divisors is an integer number (9667420).

Almost surely, 2^38572123 is an apocalyptic number.

38572123 is a deficient number, since it is larger than the sum of its proper divisors (97557).

38572123 is an equidigital number, since it uses as much as digits as its factorization.

38572123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97556.

The product of its digits is 10080, while the sum is 31.

The square root of 38572123 is about 6210.6459406410. The cubic root of 38572123 is about 337.8763917842.

The spelling of 38572123 in words is "thirty-eight million, five hundred seventy-two thousand, one hundred twenty-three".