123240223404 has 36 divisors (see below), whose sum is σ = 322266104160. Its totient is φ = 39663519840.

The previous prime is 123240223397. The next prime is 123240223417. The reversal of 123240223404 is 404322042321.

123240223404 is a `hidden beast` number, since 1 + 2 + 32 + 4 + 0 + 223 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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, 59022052 + ... + 59024139.

Almost surely, 2^123240223404 is an apocalyptic number.

It is an amenable number.

123240223404 is an abundant number, since it is smaller than the sum of its proper divisors (199025880756).

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

123240223404 is a wasteful number, since it uses less digits than its factorization.

123240223404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118046230 (or 118046225 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 123240223404 its reverse (404322042321), we get a palindrome (527562265725).

The spelling of 123240223404 in words is "one hundred twenty-three billion, two hundred forty million, two hundred twenty-three thousand, four hundred four".