213423240030 has 384 divisors, whose sum is σ = 716867020800. Its totient is φ = 39522954240.

The previous prime is 213423239993. The next prime is 213423240077. The reversal of 213423240030 is 30042324312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9568431 + ... + 9590709.

It is an arithmetic number, because the mean of its divisors is an integer number (1866841200).

Almost surely, 2^213423240030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213423240030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358433510400).

213423240030 is an abundant number, since it is smaller than the sum of its proper divisors (503443780770).

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

213423240030 is a wasteful number, since it uses less digits than its factorization.

213423240030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360 (or 22349 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 213423240030 its reverse (30042324312), we get a palindrome (243465564342).

The spelling of 213423240030 in words is "two hundred thirteen billion, four hundred twenty-three million, two hundred forty thousand, thirty".