23011142044 has 12 divisors (see below), whose sum is σ = 43930362168. Its totient is φ = 10459610000.

The previous prime is 23011142039. The next prime is 23011142071. The reversal of 23011142044 is 44024111032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261490207 + ... + 261490294.

It is an arithmetic number, because the mean of its divisors is an integer number (3660863514).

Almost surely, 2^23011142044 is an apocalyptic number.

It is an amenable number.

23011142044 is a deficient number, since it is larger than the sum of its proper divisors (20919220124).

23011142044 is a wasteful number, since it uses less digits than its factorization.

23011142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522980516 (or 522980514 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 23011142044 its reverse (44024111032), we get a palindrome (67035253076).

The spelling of 23011142044 in words is "twenty-three billion, eleven million, one hundred forty-two thousand, forty-four".