123123125342 has 8 divisors (see below), whose sum is σ = 211068214896. Its totient is φ = 52767053712.

The previous prime is 123123125299. The next prime is 123123125353. The reversal of 123123125342 is 243521321321.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4397254463 + ... + 4397254490.

It is an arithmetic number, because the mean of its divisors is an integer number (26383526862).

Almost surely, 2^123123125342 is an apocalyptic number.

123123125342 is a deficient number, since it is larger than the sum of its proper divisors (87945089554).

123123125342 is an equidigital number, since it uses as much as digits as its factorization.

123123125342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8794508962.

The product of its digits is 8640, while the sum is 29.

Adding to 123123125342 its reverse (243521321321), we get a palindrome (366644446663).

The spelling of 123123125342 in words is "one hundred twenty-three billion, one hundred twenty-three million, one hundred twenty-five thousand, three hundred forty-two".