123320563250546 has 8 divisors (see below), whose sum is σ = 185159916364764. Its totient is φ = 61600591128960.

The previous prime is 123320563250543. The next prime is 123320563250551. The reversal of 123320563250546 is 645052365023321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118187098789321 + 5133464461225 = 10871389^2 + 2265715^2 .

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

It is a super-2 number, since 2×123320563250546² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123320563250546.

It is not an unprimeable number, because it can be changed into a prime (123320563250543) 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, 29845245575 + ... + 29845249706.

Almost surely, 2^{123320563250546} is an apocalyptic number.

123320563250546 is a deficient number, since it is larger than the sum of its proper divisors (61839353114218).

123320563250546 is a wasteful number, since it uses less digits than its factorization.

123320563250546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59690496316.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 123320563250546 in words is "one hundred twenty-three trillion, three hundred twenty billion, five hundred sixty-three million, two hundred fifty thousand, five hundred forty-six".