123230305124 has 12 divisors (see below), whose sum is σ = 215830827324. Its totient is φ = 61564354464.

The previous prime is 123230305103. The next prime is 123230305151. The reversal of 123230305124 is 421503032321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3813062500 + 119417242624 = 61750^2 + 345568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123230305093 and 123230305102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12694067 + ... + 12703770.

It is an arithmetic number, because the mean of its divisors is an integer number (17985902277).

Almost surely, 2^123230305124 is an apocalyptic number.

It is an amenable number.

123230305124 is a deficient number, since it is larger than the sum of its proper divisors (92600522200).

123230305124 is a wasteful number, since it uses less digits than its factorization.

123230305124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25399054 (or 25399052 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 123230305124 its reverse (421503032321), we get a palindrome (544733337445).

The spelling of 123230305124 in words is "one hundred twenty-three billion, two hundred thirty million, three hundred five thousand, one hundred twenty-four".