23444043312 has 40 divisors (see below), whose sum is σ = 60871233456. Its totient is φ = 7775009536.

The previous prime is 23444043269. The next prime is 23444043347. The reversal of 23444043312 is 21334044432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23444043312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230183 + ... + 1249094.

Almost surely, 2^23444043312 is an apocalyptic number.

It is an amenable number.

23444043312 is an abundant number, since it is smaller than the sum of its proper divisors (37427190144).

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

23444043312 is a wasteful number, since it uses less digits than its factorization.

23444043312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479485 (or 2479479 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 23444043312 its reverse (21334044432), we get a palindrome (44778087744).

The spelling of 23444043312 in words is "twenty-three billion, four hundred forty-four million, forty-three thousand, three hundred twelve".