23523563601 has 6 divisors (see below), whose sum is σ = 33978480770. Its totient is φ = 15682375728.

The previous prime is 23523563597. The next prime is 23523563603. The reversal of 23523563601 is 10636532532.

23523563601 is a `hidden beast` number, since 2 + 35 + 2 + 3 + 563 + 60 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23230332225 + 293231376 = 152415^2 + 17124^2 .

It is not a de Polignac number, because 23523563601 - 2² = 23523563597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23523563603) 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, 1306864636 + ... + 1306864653.

Almost surely, 2^23523563601 is an apocalyptic number.

It is an amenable number.

23523563601 is a deficient number, since it is larger than the sum of its proper divisors (10454917169).

23523563601 is a wasteful number, since it uses less digits than its factorization.

23523563601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613729295 (or 2613729292 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 23523563601 in words is "twenty-three billion, five hundred twenty-three million, five hundred sixty-three thousand, six hundred one".