23536893861 has 24 divisors (see below), whose sum is σ = 37303766136. Its totient is φ = 14210951040.

The previous prime is 23536893827. The next prime is 23536893889. The reversal of 23536893861 is 16839863532.

It is a happy number.

23536893861 is a `hidden beast` number, since 23 + 536 + 8 + 9 + 3 + 86 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3883657761 + 19653236100 = 62319^2 + 140190^2 .

It is not a de Polignac number, because 23536893861 - 2⁹ = 23536893349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23536893798 and 23536893807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23536893161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1891630 + ... + 1904031.

It is an arithmetic number, because the mean of its divisors is an integer number (1554323589).

Almost surely, 2^23536893861 is an apocalyptic number.

It is an amenable number.

23536893861 is a deficient number, since it is larger than the sum of its proper divisors (13766872275).

23536893861 is a wasteful number, since it uses less digits than its factorization.

23536893861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795733 (or 3795730 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 23536893861 in words is "twenty-three billion, five hundred thirty-six million, eight hundred ninety-three thousand, eight hundred sixty-one".