123101013133 has 16 divisors (see below), whose sum is σ = 145051513344. Its totient is φ = 102263869440.

The previous prime is 123101013127. The next prime is 123101013157. The reversal of 123101013133 is 331310101321.

It is a cyclic number.

It is not a de Polignac number, because 123101013133 - 2¹⁷ = 123100882061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123101013133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101013163) 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 15 ways as a sum of consecutive naturals, for example, 858133 + ... + 991258.

It is an arithmetic number, because the mean of its divisors is an integer number (9065719584).

Almost surely, 2^123101013133 is an apocalyptic number.

It is an amenable number.

123101013133 is a deficient number, since it is larger than the sum of its proper divisors (21950500211).

123101013133 is a wasteful number, since it uses less digits than its factorization.

123101013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849692.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 123101013133 its reverse (331310101321), we get a palindrome (454411114454).

The spelling of 123101013133 in words is "one hundred twenty-three billion, one hundred one million, thirteen thousand, one hundred thirty-three".