123485271144 has 16 divisors (see below), whose sum is σ = 308713177920. Its totient is φ = 41161757040.

The previous prime is 123485271137. The next prime is 123485271167. The reversal of 123485271144 is 441172584321.

It is a super-2 number, since 2×123485271144² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 123485271096 and 123485271105.

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, 2572609792 + ... + 2572609839.

It is an arithmetic number, because the mean of its divisors is an integer number (19294573620).

Almost surely, 2^123485271144 is an apocalyptic number.

It is an amenable number.

123485271144 is an abundant number, since it is smaller than the sum of its proper divisors (185227906776).

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

123485271144 is a wasteful number, since it uses less digits than its factorization.

123485271144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145219640 (or 5145219636 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The spelling of 123485271144 in words is "one hundred twenty-three billion, four hundred eighty-five million, two hundred seventy-one thousand, one hundred forty-four".