23043354512 has 10 divisors (see below), whose sum is σ = 44646499398. Its totient is φ = 11521677248.

The previous prime is 23043354487. The next prime is 23043354577. The reversal of 23043354512 is 21545334032.

It can be written as a sum of positive squares in only one way, i.e., 19231032976 + 3812321536 = 138676^2 + 61744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720104813 + ... + 720104844.

Almost surely, 2^23043354512 is an apocalyptic number.

It is an amenable number.

23043354512 is a deficient number, since it is larger than the sum of its proper divisors (21603144886).

23043354512 is a wasteful number, since it uses less digits than its factorization.

23043354512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440209665 (or 1440209659 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 23043354512 its reverse (21545334032), we get a palindrome (44588688544).

The spelling of 23043354512 in words is "twenty-three billion, forty-three million, three hundred fifty-four thousand, five hundred twelve".