23173437204244 has 12 divisors (see below), whose sum is σ = 40553552065684. Its totient is φ = 11586708042624.

The previous prime is 23173437204241. The next prime is 23173437204259. The reversal of 23173437204244 is 44240273437132.

It can be written as a sum of positive squares in 2 ways, for example, as 22127804160400 + 1045633043844 = 4704020^2 + 1022562^2 .

It is a super-2 number, since 2×23173437204244² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23173437204194 and 23173437204203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23173437204241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4360474 + ... + 8084590.

Almost surely, 2^{23173437204244} is an apocalyptic number.

It is an amenable number.

23173437204244 is a deficient number, since it is larger than the sum of its proper divisors (17380114861440).

23173437204244 is a wasteful number, since it uses less digits than its factorization.

23173437204244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279754 (or 5279752 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 46.

The spelling of 23173437204244 in words is "twenty-three trillion, one hundred seventy-three billion, four hundred thirty-seven million, two hundred four thousand, two hundred forty-four".