23404444434 has 48 divisors (see below), whose sum is σ = 57980400192. Its totient is φ = 6683922144.

The previous prime is 23404444421. The next prime is 23404444439. The reversal of 23404444434 is 43444440432.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23404444439) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 241212 + ... + 324024.

It is an arithmetic number, because the mean of its divisors is an integer number (1207925004).

Almost surely, 2^23404444434 is an apocalyptic number.

23404444434 is an abundant number, since it is smaller than the sum of its proper divisors (34575955758).

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

23404444434 is a wasteful number, since it uses less digits than its factorization.

23404444434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85071 (or 85068 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 23404444434 its reverse (43444440432), we get a palindrome (66848884866).

The spelling of 23404444434 in words is "twenty-three billion, four hundred four million, four hundred forty-four thousand, four hundred thirty-four".