213423433030 has 32 divisors (see below), whose sum is σ = 406786245696. Its totient is φ = 80342452224.

The previous prime is 213423433019. The next prime is 213423433039. The reversal of 213423433030 is 30334324312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213423433030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213423433039) 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, 3507022 + ... + 3567358.

It is an arithmetic number, because the mean of its divisors is an integer number (12712070178).

Almost surely, 2^213423433030 is an apocalyptic number.

213423433030 is a deficient number, since it is larger than the sum of its proper divisors (193362812666).

213423433030 is a wasteful number, since it uses less digits than its factorization.

213423433030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81168.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 213423433030 its reverse (30334324312), we get a palindrome (243757757342).

The spelling of 213423433030 in words is "two hundred thirteen billion, four hundred twenty-three million, four hundred thirty-three thousand, thirty".