123055230420 has 72 divisors (see below), whose sum is σ = 376570847016. Its totient is φ = 32524326912.

The previous prime is 123055230401. The next prime is 123055230427. The reversal of 123055230420 is 24032550321.

It is a happy number.

123055230420 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 5 + 5 + 230 + 420 = 666.

123055230420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3308780484 + 119746449936 = 57522^2 + 346044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123055230427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3004617 + ... + 3045296.

It is an arithmetic number, because the mean of its divisors is an integer number (5230150653).

Almost surely, 2^123055230420 is an apocalyptic number.

123055230420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123055230420 is an abundant number, since it is smaller than the sum of its proper divisors (253515616596).

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

123055230420 is a wasteful number, since it uses less digits than its factorization.

123055230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050041 (or 6050036 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 123055230420 its reverse (24032550321), we get a palindrome (147087780741).

The spelling of 123055230420 in words is "one hundred twenty-three billion, fifty-five million, two hundred thirty thousand, four hundred twenty".