23575452849 has 81 divisors (see below), whose sum is σ = 38404675179. Its totient is φ = 13929420960.

The previous prime is 23575452841. The next prime is 23575452851. The reversal of 23575452849 is 94825457532.

The square root of 23575452849 is 153543.

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

23575452849 is a `hidden beast` number, since 2 + 3 + 5 + 75 + 4 + 528 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3487493025 + 20087959824 = 59055^2 + 141732^2 .

It is not a de Polignac number, because 23575452849 - 2³ = 23575452841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23575452795 and 23575452804.

It is not an unprimeable number, because it can be changed into a prime (23575452841) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 185633424 + ... + 185633550.

Almost surely, 2^23575452849 is an apocalyptic number.

23575452849 is the 153543-rd square number.

23575452849 is the 76772-nd centered octagonal number.

It is an amenable number.

23575452849 is a deficient number, since it is larger than the sum of its proper divisors (14829222330).

23575452849 is a wasteful number, since it uses less digits than its factorization.

23575452849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 174 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The spelling of 23575452849 in words is "twenty-three billion, five hundred seventy-five million, four hundred fifty-two thousand, eight hundred forty-nine".