21341223023204 has 12 divisors (see below), whose sum is σ = 42682446046464. Its totient is φ = 9146238438504.

The previous prime is 21341223023149. The next prime is 21341223023221. The reversal of 21341223023204 is 40232032214312.

21341223023204 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

21341223023204 is an admirable number.

It is a super-2 number, since 2×21341223023204² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381093268244 + ... + 381093268299.

It is an arithmetic number, because the mean of its divisors is an integer number (3556870503872).

Almost surely, 2^{21341223023204} is an apocalyptic number.

It is an amenable number.

21341223023204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21341223023204 is a wasteful number, since it uses less digits than its factorization.

21341223023204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762186536554 (or 762186536552 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21341223023204 its reverse (40232032214312), we get a palindrome (61573255237516).

The spelling of 21341223023204 in words is "twenty-one trillion, three hundred forty-one billion, two hundred twenty-three million, twenty-three thousand, two hundred four".