232121311404 has 12 divisors (see below), whose sum is σ = 541616393304. Its totient is φ = 77373770464.

The previous prime is 232121311403. The next prime is 232121311421. The reversal of 232121311404 is 404113121232.

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 (232121311403) 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, 9671721297 + ... + 9671721320.

It is an arithmetic number, because the mean of its divisors is an integer number (45134699442).

Almost surely, 2^232121311404 is an apocalyptic number.

It is an amenable number.

232121311404 is an abundant number, since it is smaller than the sum of its proper divisors (309495081900).

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

232121311404 is a wasteful number, since it uses less digits than its factorization.

232121311404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19343442624 (or 19343442622 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 232121311404 its reverse (404113121232), we get a palindrome (636234432636).

The spelling of 232121311404 in words is "two hundred thirty-two billion, one hundred twenty-one million, three hundred eleven thousand, four hundred four".