23404440044 has 24 divisors (see below), whose sum is σ = 41066986128. Its totient is φ = 11671047360.

The previous prime is 23404440011. The next prime is 23404440091. The reversal of 23404440044 is 44004440432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23404439989 and 23404440016.

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, 4500854 + ... + 4506050.

It is an arithmetic number, because the mean of its divisors is an integer number (1711124422).

Almost surely, 2^23404440044 is an apocalyptic number.

It is an amenable number.

23404440044 is a deficient number, since it is larger than the sum of its proper divisors (17662546084).

23404440044 is a wasteful number, since it uses less digits than its factorization.

23404440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7983 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 23404440044 its reverse (44004440432), we get a palindrome (67408880476).

The spelling of 23404440044 in words is "twenty-three billion, four hundred four million, four hundred forty thousand, forty-four".