73545447054123 has 16 divisors (see below), whose sum is σ = 118861328572800. Its totient is φ = 44572998214440.

The previous prime is 73545447054031. The next prime is 73545447054137. The reversal of 73545447054123 is 32145074454537.

73545447054123 is a `hidden beast` number, since 7 + 3 + 5 + 4 + 5 + 4 + 4 + 70 + 541 + 23 = 666.

It is not a de Polignac number, because 73545447054123 - 2²⁹ = 73544910183211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73545447054123.

It is not an unprimeable number, because it can be changed into a prime (73545447054173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123813883633 + ... + 123813884226.

It is an arithmetic number, because the mean of its divisors is an integer number (7428833035800).

Almost surely, 2^{73545447054123} is an apocalyptic number.

73545447054123 is a deficient number, since it is larger than the sum of its proper divisors (45315881518677).

73545447054123 is a wasteful number, since it uses less digits than its factorization.

73545447054123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247627767879 (or 247627767873 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 54.

The spelling of 73545447054123 in words is "seventy-three trillion, five hundred forty-five billion, four hundred forty-seven million, fifty-four thousand, one hundred twenty-three".