123320520234532 has 24 divisors (see below), whose sum is σ = 215899403632640. Its totient is φ = 61634980028160.

The previous prime is 123320520234529. The next prime is 123320520234533. The reversal of 123320520234532 is 235432025023321.

It is a junction number, because it is equal to n+sod(n) for n = 123320520234491 and 123320520234500.

It is not an unprimeable number, because it can be changed into a prime (123320520234533) 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, 135318493 + ... + 136226779.

Almost surely, 2^{123320520234532} is an apocalyptic number.

It is an amenable number.

123320520234532 is a deficient number, since it is larger than the sum of its proper divisors (92578883398108).

123320520234532 is a wasteful number, since it uses less digits than its factorization.

123320520234532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922171 (or 922169 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 123320520234532 its reverse (235432025023321), we get a palindrome (358752545257853).

The spelling of 123320520234532 in words is "one hundred twenty-three trillion, three hundred twenty billion, five hundred twenty million, two hundred thirty-four thousand, five hundred thirty-two".