123533322525013 has 4 divisors (see below), whose sum is σ = 124476324987168. Its totient is φ = 122590320062860.

The previous prime is 123533322525001. The next prime is 123533322525017. The reversal of 123533322525013 is 310525223335321.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123533322525013 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123533322525017) 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, 471501230881 + ... + 471501231142.

It is an arithmetic number, because the mean of its divisors is an integer number (31119081246792).

Almost surely, 2^{123533322525013} is an apocalyptic number.

It is an amenable number.

123533322525013 is a deficient number, since it is larger than the sum of its proper divisors (943002462155).

123533322525013 is an equidigital number, since it uses as much as digits as its factorization.

123533322525013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943002462154.

The product of its (nonzero) digits is 486000, while the sum is 40.

The spelling of 123533322525013 in words is "one hundred twenty-three trillion, five hundred thirty-three billion, three hundred twenty-two million, five hundred twenty-five thousand, thirteen".