23173500554 has 16 divisors (see below), whose sum is σ = 36029572200. Its totient is φ = 11165214144.

The previous prime is 23173500533. The next prime is 23173500577. The reversal of 23173500554 is 45500537132.

It can be written as a sum of positive squares in 4 ways, for example, as 22564546225 + 608954329 = 150215^2 + 24677^2 .

It is a super-3 number, since 3×23173500554³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 362957 + ... + 422000.

Almost surely, 2^23173500554 is an apocalyptic number.

23173500554 is a deficient number, since it is larger than the sum of its proper divisors (12856071646).

23173500554 is a wasteful number, since it uses less digits than its factorization.

23173500554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785497.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 23173500554 in words is "twenty-three billion, one hundred seventy-three million, five hundred thousand, five hundred fifty-four".