123033110133 has 4 divisors (see below), whose sum is σ = 164044146848. Its totient is φ = 82022073420.

The previous prime is 123033110099. The next prime is 123033110147. The reversal of 123033110133 is 331011330321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123033110133 - 2⁶ = 123033110069 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 (123033110033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20505518353 + ... + 20505518358.

It is an arithmetic number, because the mean of its divisors is an integer number (41011036712).

Almost surely, 2^123033110133 is an apocalyptic number.

It is an amenable number.

123033110133 is a deficient number, since it is larger than the sum of its proper divisors (41011036715).

123033110133 is an equidigital number, since it uses as much as digits as its factorization.

123033110133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41011036714.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 123033110133 its reverse (331011330321), we get a palindrome (454044440454).

The spelling of 123033110133 in words is "one hundred twenty-three billion, thirty-three million, one hundred ten thousand, one hundred thirty-three".