21230411324 has 24 divisors (see below), whose sum is σ = 37281938400. Its totient is φ = 10578470400.

The previous prime is 21230411249. The next prime is 21230411327. The reversal of 21230411324 is 42311403212.

It is a self number, because there is not a number n which added to its sum of digits gives 21230411324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230411327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582132 + ... + 2590340.

It is an arithmetic number, because the mean of its divisors is an integer number (1553414100).

Almost surely, 2^21230411324 is an apocalyptic number.

It is an amenable number.

21230411324 is a deficient number, since it is larger than the sum of its proper divisors (16051527076).

21230411324 is a wasteful number, since it uses less digits than its factorization.

21230411324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373 (or 10371 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21230411324 its reverse (42311403212), we get a palindrome (63541814536).

The spelling of 21230411324 in words is "twenty-one billion, two hundred thirty million, four hundred eleven thousand, three hundred twenty-four".