38968442123 has 4 divisors (see below), whose sum is σ = 41966014608. Its totient is φ = 35970869640.

The previous prime is 38968442119. The next prime is 38968442131. The reversal of 38968442123 is 32124486983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32124486983 = 887 ⋅36217009.

It is a cyclic number.

It is not a de Polignac number, because 38968442123 - 2² = 38968442119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38968441123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498786223 + ... + 1498786248.

It is an arithmetic number, because the mean of its divisors is an integer number (10491503652).

Almost surely, 2^38968442123 is an apocalyptic number.

38968442123 is a deficient number, since it is larger than the sum of its proper divisors (2997572485).

38968442123 is a wasteful number, since it uses less digits than its factorization.

38968442123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997572484.

The product of its digits is 1990656, while the sum is 50.

The spelling of 38968442123 in words is "thirty-eight billion, nine hundred sixty-eight million, four hundred forty-two thousand, one hundred twenty-three".