23133445444 has 6 divisors (see below), whose sum is σ = 40483529534. Its totient is φ = 11566722720.

The previous prime is 23133445411. The next prime is 23133445451. The reversal of 23133445444 is 44454433132.

It can be written as a sum of positive squares in only one way, i.e., 20992532544 + 2140912900 = 144888^2 + 46270^2 .

It is a super-2 number, since 2×23133445444² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2891680677 + ... + 2891680684.

Almost surely, 2^23133445444 is an apocalyptic number.

It is an amenable number.

23133445444 is a deficient number, since it is larger than the sum of its proper divisors (17350084090).

23133445444 is a wasteful number, since it uses less digits than its factorization.

23133445444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783361365 (or 5783361363 counting only the distinct ones).

The product of its digits is 276480, while the sum is 37.

Adding to 23133445444 its reverse (44454433132), we get a palindrome (67587878576).

The spelling of 23133445444 in words is "twenty-three billion, one hundred thirty-three million, four hundred forty-five thousand, four hundred forty-four".