23606171449 has 27 divisors (see below), whose sum is σ = 28117139493. Its totient is φ = 19760948088.

The previous prime is 23606171447. The next prime is 23606171453. The reversal of 23606171449 is 94417160632.

The square root of 23606171449 is 153643.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 23606171449 - 2¹ = 23606171447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23606171441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 50548314 + ... + 50548780.

Almost surely, 2^23606171449 is an apocalyptic number.

23606171449 is the 153643-rd square number.

23606171449 is the 76822-nd centered octagonal number.

It is an amenable number.

23606171449 is a deficient number, since it is larger than the sum of its proper divisors (4510968044).

23606171449 is an frugal number, since it uses more digits than its factorization.

23606171449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 23606171449 in words is "twenty-three billion, six hundred six million, one hundred seventy-one thousand, four hundred forty-nine".