123001013133 has 32 divisors (see below), whose sum is σ = 183974112000. Its totient is φ = 81214092288.

The previous prime is 123001013123. The next prime is 123001013167. The reversal of 123001013133 is 331310100321.

It is a happy number.

It is not a de Polignac number, because 123001013133 - 2⁸ = 123001012877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001013123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4253941 + ... + 4282757.

It is an arithmetic number, because the mean of its divisors is an integer number (5749191000).

Almost surely, 2^123001013133 is an apocalyptic number.

It is an amenable number.

123001013133 is a deficient number, since it is larger than the sum of its proper divisors (60973098867).

123001013133 is a wasteful number, since it uses less digits than its factorization.

123001013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30338 (or 30332 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 123001013133 its reverse (331310100321), we get a palindrome (454311113454).

The spelling of 123001013133 in words is "one hundred twenty-three billion, one million, thirteen thousand, one hundred thirty-three".