21230430411030 has 32 divisors (see below), whose sum is σ = 51062140157184. Its totient is φ = 5649325090656.

The previous prime is 21230430411023. The next prime is 21230430411031. The reversal of 21230430411030 is 3011403403212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230430411031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757674442 + ... + 757702461.

It is an arithmetic number, because the mean of its divisors is an integer number (1595691879912).

Almost surely, 2^{21230430411030} is an apocalyptic number.

21230430411030 is an abundant number, since it is smaller than the sum of its proper divisors (29831709746154).

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

21230430411030 is a wasteful number, since it uses less digits than its factorization.

21230430411030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515377380.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21230430411030 its reverse (3011403403212), we get a palindrome (24241833814242).

The spelling of 21230430411030 in words is "twenty-one trillion, two hundred thirty billion, four hundred thirty million, four hundred eleven thousand, thirty".