123471233220 has 24 divisors (see below), whose sum is σ = 345719453184. Its totient is φ = 32925662176.

The previous prime is 123471233191. The next prime is 123471233233. The reversal of 123471233220 is 22332174321.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 1028926884 + ... + 1028927003.

It is an arithmetic number, because the mean of its divisors is an integer number (14404977216).

Almost surely, 2^123471233220 is an apocalyptic number.

123471233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123471233220 is an abundant number, since it is smaller than the sum of its proper divisors (222248219964).

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

123471233220 is a wasteful number, since it uses less digits than its factorization.

123471233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057853899 (or 2057853897 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 123471233220 in words is "one hundred twenty-three billion, four hundred seventy-one million, two hundred thirty-three thousand, two hundred twenty".