213423313242 has 8 divisors (see below), whose sum is σ = 426846626496. Its totient is φ = 71141104412.

The previous prime is 213423313241. The next prime is 213423313249. The reversal of 213423313242 is 242313324312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

213423313242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (213423313241) 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, 17785276098 + ... + 17785276109.

It is an arithmetic number, because the mean of its divisors is an integer number (53355828312).

Almost surely, 2^213423313242 is an apocalyptic number.

213423313242 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.

213423313242 is a wasteful number, since it uses less digits than its factorization.

213423313242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35570552212.

The product of its digits is 20736, while the sum is 30.

Adding to 213423313242 its reverse (242313324312), we get a palindrome (455736637554).

The spelling of 213423313242 in words is "two hundred thirteen billion, four hundred twenty-three million, three hundred thirteen thousand, two hundred forty-two".