123406123324 has 12 divisors (see below), whose sum is σ = 235593508248. Its totient is φ = 56093692400.

The previous prime is 123406123319. The next prime is 123406123429. The reversal of 123406123324 is 423321604321.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1402342267 + ... + 1402342354.

It is an arithmetic number, because the mean of its divisors is an integer number (19632792354).

Almost surely, 2^123406123324 is an apocalyptic number.

It is an amenable number.

123406123324 is a deficient number, since it is larger than the sum of its proper divisors (112187384924).

123406123324 is a wasteful number, since it uses less digits than its factorization.

123406123324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804684636 (or 2804684634 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 123406123324 its reverse (423321604321), we get a palindrome (546727727645).

The spelling of 123406123324 in words is "one hundred twenty-three billion, four hundred six million, one hundred twenty-three thousand, three hundred twenty-four".