23173454161 has 16 divisors (see below), whose sum is σ = 27439147008. Its totient is φ = 19293120000.

The previous prime is 23173454153. The next prime is 23173454197. The reversal of 23173454161 is 16145437132.

It is a happy number.

It is not a de Polignac number, because 23173454161 - 2³ = 23173454153 is a prime.

It is a super-3 number, since 3×23173454161³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23173454161.

It is not an unprimeable number, because it can be changed into a prime (23173454111) 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, 619840 + ... + 656161.

It is an arithmetic number, because the mean of its divisors is an integer number (1714946688).

Almost surely, 2^23173454161 is an apocalyptic number.

It is an amenable number.

23173454161 is a deficient number, since it is larger than the sum of its proper divisors (4265692847).

23173454161 is a wasteful number, since it uses less digits than its factorization.

23173454161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276152.

The product of its digits is 60480, while the sum is 37.

The spelling of 23173454161 in words is "twenty-three billion, one hundred seventy-three million, four hundred fifty-four thousand, one hundred sixty-one".