23431400535236 has 12 divisors (see below), whose sum is σ = 41004985447440. Its totient is φ = 11715690407400.

The previous prime is 23431400535211. The next prime is 23431400535269. The reversal of 23431400535236 is 63253500413432.

It is a junction number, because it is equal to n+sod(n) for n = 23431400535193 and 23431400535202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6523511 + ... + 9456161.

It is an arithmetic number, because the mean of its divisors is an integer number (3417082120620).

Almost surely, 2^{23431400535236} is an apocalyptic number.

It is an amenable number.

23431400535236 is a deficient number, since it is larger than the sum of its proper divisors (17573584912204).

23431400535236 is a wasteful number, since it uses less digits than its factorization.

23431400535236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930114 (or 4930112 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 23431400535236 its reverse (63253500413432), we get a palindrome (86684900948668).

The spelling of 23431400535236 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred million, five hundred thirty-five thousand, two hundred thirty-six".