213423203202 has 64 divisors (see below), whose sum is σ = 475837479936. Its totient is φ = 63273994560.

The previous prime is 213423203183. The next prime is 213423203219. The reversal of 213423203202 is 202302324312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375108 + ... + 753360.

It is an arithmetic number, because the mean of its divisors is an integer number (7434960624).

Almost surely, 2^213423203202 is an apocalyptic number.

213423203202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 213423203202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237918739968).

213423203202 is an abundant number, since it is smaller than the sum of its proper divisors (262414276734).

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

213423203202 is a wasteful number, since it uses less digits than its factorization.

213423203202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378455.

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

Adding to 213423203202 its reverse (202302324312), we get a palindrome (415725527514).

The spelling of 213423203202 in words is "two hundred thirteen billion, four hundred twenty-three million, two hundred three thousand, two hundred two".