123323020 has 24 divisors (see below), whose sum is σ = 261546768. Its totient is φ = 48840000.

The previous prime is 123323017. The next prime is 123323027. The reversal of 123323020 is 20323321.

It is a super-3 number, since 3×123323020³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123322985 and 123323003.

It is not an unprimeable number, because it can be changed into a prime (123323027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28506 + ... + 32545.

It is an arithmetic number, because the mean of its divisors is an integer number (10897782).

Almost surely, 2^123323020 is an apocalyptic number.

123323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123323020 is an abundant number, since it is smaller than the sum of its proper divisors (138223748).

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

123323020 is a wasteful number, since it uses less digits than its factorization.

123323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61161 (or 61159 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 123323020 is about 11105.0898240401. The cubic root of 123323020 is about 497.7539523139.

Adding to 123323020 its reverse (20323321), we get a palindrome (143646341).

The spelling of 123323020 in words is "one hundred twenty-three million, three hundred twenty-three thousand, twenty".