123232430220 has 96 divisors (see below), whose sum is σ = 367809254400. Its totient is φ = 30738299904.

The previous prime is 123232430197. The next prime is 123232430221. The reversal of 123232430220 is 22034232321.

It is not an unprimeable number, because it can be changed into a prime (123232430221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 594109 + ... + 774228.

It is an arithmetic number, because the mean of its divisors is an integer number (3831346400).

Almost surely, 2^123232430220 is an apocalyptic number.

123232430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232430220 is an abundant number, since it is smaller than the sum of its proper divisors (244576824180).

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

123232430220 is a wasteful number, since it uses less digits than its factorization.

123232430220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368447 (or 1368445 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 123232430220 its reverse (22034232321), we get a palindrome (145266662541).

The spelling of 123232430220 in words is "one hundred twenty-three billion, two hundred thirty-two million, four hundred thirty thousand, two hundred twenty".