20123133121133 has 8 divisors (see below), whose sum is σ = 22997896578240. Its totient is φ = 17248377202560.

The previous prime is 20123133121123. The next prime is 20123133121193. The reversal of 20123133121133 is 33112133132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20123133121133 - 2³⁴ = 20105953251949 is a prime.

It is a super-2 number, since 2×20123133121133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123133121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6078653 + ... + 8786141.

It is an arithmetic number, because the mean of its divisors is an integer number (2874737072280).

Almost surely, 2^{20123133121133} is an apocalyptic number.

It is an amenable number.

20123133121133 is a deficient number, since it is larger than the sum of its proper divisors (2874763457107).

20123133121133 is a wasteful number, since it uses less digits than its factorization.

20123133121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769267.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 20123133121133 its reverse (33112133132102), we get a palindrome (53235266253235).

The spelling of 20123133121133 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty-three million, one hundred twenty-one thousand, one hundred thirty-three".