23511012044044 has 24 divisors (see below), whose sum is σ = 47026722622880. Its totient is φ = 10075141190016.

The previous prime is 23511012044033. The next prime is 23511012044053. The reversal of 23511012044044 is 44044021011532.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23511012043997 and 23511012044015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41665947 + ... + 42226450.

Almost surely, 2^{23511012044044} is an apocalyptic number.

It is an amenable number.

23511012044044 is an abundant number, since it is smaller than the sum of its proper divisors (23515710578836).

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

23511012044044 is a wasteful number, since it uses less digits than its factorization.

23511012044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83902417 (or 83902415 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 23511012044044 its reverse (44044021011532), we get a palindrome (67555033055576).

The spelling of 23511012044044 in words is "twenty-three trillion, five hundred eleven billion, twelve million, forty-four thousand, forty-four".