23501053430436 has 96 divisors (see below), whose sum is σ = 58179204579328. Its totient is φ = 7370427012480.

The previous prime is 23501053430423. The next prime is 23501053430501. The reversal of 23501053430436 is 63403435010532.

It is a junction number, because it is equal to n+sod(n) for n = 23501053430394 and 23501053430403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17279301 + ... + 18589683.

Almost surely, 2^{23501053430436} is an apocalyptic number.

It is an amenable number.

23501053430436 is an abundant number, since it is smaller than the sum of its proper divisors (34678151148892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23501053430436 is a wasteful number, since it uses less digits than its factorization.

23501053430436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311761 (or 1311759 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

Adding to 23501053430436 its reverse (63403435010532), we get a palindrome (86904488440968).

The spelling of 23501053430436 in words is "twenty-three trillion, five hundred one billion, fifty-three million, four hundred thirty thousand, four hundred thirty-six".