23172575505242 has 64 divisors (see below), whose sum is σ = 38244150000000. Its totient is φ = 10490538085632.

The previous prime is 23172575505241. The next prime is 23172575505253. The reversal of 23172575505242 is 24250557527132.

It is a super-2 number, since 2×23172575505242² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23172575505241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105822884 + ... + 106041632.

It is an arithmetic number, because the mean of its divisors is an integer number (597564843750).

Almost surely, 2^{23172575505242} is an apocalyptic number.

23172575505242 is a deficient number, since it is larger than the sum of its proper divisors (15071574494758).

23172575505242 is a wasteful number, since it uses less digits than its factorization.

23172575505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220143.

The product of its (nonzero) digits is 5880000, while the sum is 50.

The spelling of 23172575505242 in words is "twenty-three trillion, one hundred seventy-two billion, five hundred seventy-five million, five hundred five thousand, two hundred forty-two".