123142274202 has 32 divisors (see below), whose sum is σ = 247618800000. Its totient is φ = 40825211328.

The previous prime is 123142274173. The next prime is 123142274263. The reversal of 123142274202 is 202472241321.

It is a self number, because there is not a number n which added to its sum of digits gives 123142274202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3263548 + ... + 3301064.

It is an arithmetic number, because the mean of its divisors is an integer number (7738087500).

Almost surely, 2^123142274202 is an apocalyptic number.

123142274202 is an abundant number, since it is smaller than the sum of its proper divisors (124476525798).

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

123142274202 is a wasteful number, since it uses less digits than its factorization.

123142274202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40470.

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 123142274202 in words is "one hundred twenty-three billion, one hundred forty-two million, two hundred seventy-four thousand, two hundred two".