123223021100320 has 24 divisors (see below), whose sum is σ = 291114387349884. Its totient is φ = 49289208440064.

The previous prime is 123223021100297. The next prime is 123223021100411. The reversal of 123223021100320 is 23001120322321.

It can be written as a sum of positive squares in 2 ways, for example, as 119483175658896 + 3739845441424 = 10930836^2 + 1933868^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123223021100291 and 123223021100300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385071940779 + ... + 385071941098.

Almost surely, 2^{123223021100320} is an apocalyptic number.

123223021100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123223021100320 is an abundant number, since it is smaller than the sum of its proper divisors (167891366249564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123223021100320 is an equidigital number, since it uses as much as digits as its factorization.

123223021100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770143881892 (or 770143881884 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123223021100320 its reverse (23001120322321), we get a palindrome (146224141422641).

The spelling of 123223021100320 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, twenty-one million, one hundred thousand, three hundred twenty".