123000423404 has 12 divisors (see below), whose sum is σ = 217340554704. Its totient is φ = 60903122064.

The previous prime is 123000423341. The next prime is 123000423451. The reversal of 123000423404 is 404324000321.

It is a self number, because there is not a number n which added to its sum of digits gives 123000423404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149271947 + ... + 149272770.

It is an arithmetic number, because the mean of its divisors is an integer number (18111712892).

Almost surely, 2^123000423404 is an apocalyptic number.

It is an amenable number.

123000423404 is a deficient number, since it is larger than the sum of its proper divisors (94340131300).

123000423404 is a wasteful number, since it uses less digits than its factorization.

123000423404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298544824 (or 298544822 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 123000423404 its reverse (404324000321), we get a palindrome (527324423725).

The spelling of 123000423404 in words is "one hundred twenty-three billion, four hundred twenty-three thousand, four hundred four".