123302320030220 has 48 divisors (see below), whose sum is σ = 259103029785600. Its totient is φ = 49288900847616.

The previous prime is 123302320030171. The next prime is 123302320030283. The reversal of 123302320030220 is 22030023203321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799792664 + ... + 799946816.

It is an arithmetic number, because the mean of its divisors is an integer number (5397979787200).

Almost surely, 2^{123302320030220} is an apocalyptic number.

123302320030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123302320030220 is an abundant number, since it is smaller than the sum of its proper divisors (135800709755380).

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

123302320030220 is a wasteful number, since it uses less digits than its factorization.

123302320030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179874 (or 179872 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 123302320030220 its reverse (22030023203321), we get a palindrome (145332343233541).

The spelling of 123302320030220 in words is "one hundred twenty-three trillion, three hundred two billion, three hundred twenty million, thirty thousand, two hundred twenty".