123038138101 has 8 divisors (see below), whose sum is σ = 129640700000. Its totient is φ = 116448263280.

The previous prime is 123038138053. The next prime is 123038138123. The reversal of 123038138101 is 101831830321.

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 123038138101 - 2¹³ = 123038129909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123038138191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151851 + ... + 3190648.

It is an arithmetic number, because the mean of its divisors is an integer number (16205087500).

Almost surely, 2^123038138101 is an apocalyptic number.

It is an amenable number.

123038138101 is a deficient number, since it is larger than the sum of its proper divisors (6602561899).

123038138101 is a wasteful number, since it uses less digits than its factorization.

123038138101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343539.

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 123038138101 its reverse (101831830321), we get a palindrome (224869968422).

The spelling of 123038138101 in words is "one hundred twenty-three billion, thirty-eight million, one hundred thirty-eight thousand, one hundred one".