23171574545650 has 12 divisors (see below), whose sum is σ = 43099128655002. Its totient is φ = 9268629818240.

The previous prime is 23171574545641. The next prime is 23171574545653. The reversal of 23171574545650 is 5654547517132.

It can be written as a sum of positive squares in 3 ways, for example, as 9766068755041 + 13405505790609 = 3125071^2 + 3661353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23171574545591 and 23171574545600.

It is not an unprimeable number, because it can be changed into a prime (23171574545653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231715745407 + ... + 231715745506.

Almost surely, 2^{23171574545650} is an apocalyptic number.

23171574545650 is a deficient number, since it is larger than the sum of its proper divisors (19927554109352).

23171574545650 is a wasteful number, since it uses less digits than its factorization.

23171574545650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463431490925 (or 463431490920 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 23171574545650 in words is "twenty-three trillion, one hundred seventy-one billion, five hundred seventy-four million, five hundred forty-five thousand, six hundred fifty".