23421055404 has 12 divisors (see below), whose sum is σ = 54649129304. Its totient is φ = 7807018464.

The previous prime is 23421055391. The next prime is 23421055409. The reversal of 23421055404 is 40455012432.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (23421055409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 975877297 + ... + 975877320.

Almost surely, 2^23421055404 is an apocalyptic number.

It is an amenable number.

23421055404 is an abundant number, since it is smaller than the sum of its proper divisors (31228073900).

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

23421055404 is a wasteful number, since it uses less digits than its factorization.

23421055404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951754624 (or 1951754622 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 23421055404 its reverse (40455012432), we get a palindrome (63876067836).

The spelling of 23421055404 in words is "twenty-three billion, four hundred twenty-one million, fifty-five thousand, four hundred four".