123143727162 has 64 divisors (see below), whose sum is σ = 270698112000. Its totient is φ = 37172475648.

The previous prime is 123143727127. The next prime is 123143727173. The reversal of 123143727162 is 261727341321.

It is a self number, because there is not a number n which added to its sum of digits gives 123143727162.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4230514 + ... + 4259522.

It is an arithmetic number, because the mean of its divisors is an integer number (4229658000).

Almost surely, 2^123143727162 is an apocalyptic number.

123143727162 is an abundant number, since it is smaller than the sum of its proper divisors (147554384838).

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

123143727162 is a wasteful number, since it uses less digits than its factorization.

123143727162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30675.

The product of its digits is 84672, while the sum is 39.

The spelling of 123143727162 in words is "one hundred twenty-three billion, one hundred forty-three million, seven hundred twenty-seven thousand, one hundred sixty-two".