123230442304 has 28 divisors (see below), whose sum is σ = 250499692548. Its totient is φ = 60112409600.

The previous prime is 123230442287. The next prime is 123230442359. The reversal of 123230442304 is 403244032321.

It can be written as a sum of positive squares in 2 ways, for example, as 48347214400 + 74883227904 = 219880^2 + 273648^2 .

It is a congruent number.

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, 23478787 + ... + 23484034.

It is an arithmetic number, because the mean of its divisors is an integer number (8946417591).

Almost surely, 2^123230442304 is an apocalyptic number.

It is an amenable number.

123230442304 is an abundant number, since it is smaller than the sum of its proper divisors (127269250244).

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

123230442304 is an equidigital number, since it uses as much as digits as its factorization.

123230442304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46962874 (or 46962864 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 123230442304 its reverse (403244032321), we get a palindrome (526474474625).

The spelling of 123230442304 in words is "one hundred twenty-three billion, two hundred thirty million, four hundred forty-two thousand, three hundred four".