2172242523 has 8 divisors (see below), whose sum is σ = 3159625536. Its totient is φ = 1316510600.

The previous prime is 2172242489. The next prime is 2172242543. The reversal of 2172242523 is 3252422712.

2172242523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2172242523 - 2⁶ = 2172242459 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2172242543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32912733 + ... + 32912798.

It is an arithmetic number, because the mean of its divisors is an integer number (394953192).

Almost surely, 2^2172242523 is an apocalyptic number.

2172242523 is a deficient number, since it is larger than the sum of its proper divisors (987383013).

2172242523 is a wasteful number, since it uses less digits than its factorization.

2172242523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65825545.

The product of its digits is 13440, while the sum is 30.

The square root of 2172242523 is about 46607.3226328224. The cubic root of 2172242523 is about 1295.0984104539.

The spelling of 2172242523 in words is "two billion, one hundred seventy-two million, two hundred forty-two thousand, five hundred twenty-three".