23236133605646 has 16 divisors (see below), whose sum is σ = 37543876350624. Its totient is φ = 10721916898464.

The previous prime is 23236133605507. The next prime is 23236133605679. The reversal of 23236133605646 is 64650633163232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23236133605594 and 23236133605603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102069866 + ... + 102297261.

It is an arithmetic number, because the mean of its divisors is an integer number (2346492271914).

Almost surely, 2^{23236133605646} is an apocalyptic number.

23236133605646 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23236133605646 is a deficient number, since it is larger than the sum of its proper divisors (14307742744978).

23236133605646 is a wasteful number, since it uses less digits than its factorization.

23236133605646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204371515.

The product of its (nonzero) digits is 8398080, while the sum is 50.

Adding to 23236133605646 its reverse (64650633163232), we get a palindrome (87886766768878).

The spelling of 23236133605646 in words is "twenty-three trillion, two hundred thirty-six billion, one hundred thirty-three million, six hundred five thousand, six hundred forty-six".