123555313142 has 8 divisors (see below), whose sum is σ = 195087336600. Its totient is φ = 58526200944.

The previous prime is 123555313129. The next prime is 123555313177. The reversal of 123555313142 is 241313555321.

It is a happy number.

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, 1625727767 + ... + 1625727842.

It is an arithmetic number, because the mean of its divisors is an integer number (24385917075).

Almost surely, 2^123555313142 is an apocalyptic number.

123555313142 is a deficient number, since it is larger than the sum of its proper divisors (71532023458).

123555313142 is a wasteful number, since it uses less digits than its factorization.

123555313142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251455630.

The product of its digits is 54000, while the sum is 35.

Adding to 123555313142 its reverse (241313555321), we get a palindrome (364868868463).

The spelling of 123555313142 in words is "one hundred twenty-three billion, five hundred fifty-five million, three hundred thirteen thousand, one hundred forty-two".