163123444000 has 96 divisors (see below), whose sum is σ = 437230265472. Its totient is φ = 59317600000.

The previous prime is 163123443953. The next prime is 163123444007. The reversal of 163123444000 is 444321361.

163123444000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163123444000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163123444000.

It is not an unprimeable number, because it can be changed into a prime (163123444007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809676 + ... + 1897675.

It is an arithmetic number, because the mean of its divisors is an integer number (4554481932).

Almost surely, 2^163123444000 is an apocalyptic number.

163123444000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163123444000 is an abundant number, since it is smaller than the sum of its proper divisors (274106821472).

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

163123444000 is a wasteful number, since it uses less digits than its factorization.

163123444000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707387 (or 3707369 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 163123444000 its reverse (444321361), we get a palindrome (163567765361).

The spelling of 163123444000 in words is "one hundred sixty-three billion, one hundred twenty-three million, four hundred forty-four thousand".