173453811012 has 72 divisors (see below), whose sum is σ = 481595674560. Its totient is φ = 52393366080.

The previous prime is 173453811007. The next prime is 173453811059. The reversal of 173453811012 is 210118354371.

173453811012 is a `hidden beast` number, since 1 + 7 + 3 + 4 + 538 + 110 + 1 + 2 = 666.

173453811012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×173453811012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5497039 + ... + 5528502.

Almost surely, 2^173453811012 is an apocalyptic number.

173453811012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

173453811012 is an abundant number, since it is smaller than the sum of its proper divisors (308141863548).

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

173453811012 is a wasteful number, since it uses less digits than its factorization.

173453811012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025593 (or 11025588 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 173453811012 in words is "one hundred seventy-three billion, four hundred fifty-three million, eight hundred eleven thousand, twelve".