23111142764 has 6 divisors (see below), whose sum is σ = 40444499844. Its totient is φ = 11555571380.

The previous prime is 23111142757. The next prime is 23111142787. The reversal of 23111142764 is 46724111132.

It is a self number, because there is not a number n which added to its sum of digits gives 23111142764.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2888892842 + ... + 2888892849.

It is an arithmetic number, because the mean of its divisors is an integer number (6740749974).

Almost surely, 2^23111142764 is an apocalyptic number.

It is an amenable number.

23111142764 is a deficient number, since it is larger than the sum of its proper divisors (17333357080).

23111142764 is a wasteful number, since it uses less digits than its factorization.

23111142764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777785695 (or 5777785693 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

Adding to 23111142764 its reverse (46724111132), we get a palindrome (69835253896).

The spelling of 23111142764 in words is "twenty-three billion, one hundred eleven million, one hundred forty-two thousand, seven hundred sixty-four".