123304434201 has 12 divisors (see below), whose sum is σ = 191806897828. Its totient is φ = 75879651744.

The previous prime is 123304434191. The next prime is 123304434233. The reversal of 123304434201 is 102434403321.

123304434201 is a `hidden beast` number, since 1 + 23 + 3 + 0 + 4 + 434 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53437257225 + 69867176976 = 231165^2 + 264324^2 .

It is not a de Polignac number, because 123304434201 - 2⁶ = 123304434137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123304434271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 526941910 + ... + 526942143.

Almost surely, 2^123304434201 is an apocalyptic number.

It is an amenable number.

123304434201 is a deficient number, since it is larger than the sum of its proper divisors (68502463627).

123304434201 is a wasteful number, since it uses less digits than its factorization.

123304434201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053884072 (or 1053884069 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 123304434201 its reverse (102434403321), we get a palindrome (225738837522).

The spelling of 123304434201 in words is "one hundred twenty-three billion, three hundred four million, four hundred thirty-four thousand, two hundred one".