213042323323420 has 48 divisors (see below), whose sum is σ = 456949696855680. Its totient is φ = 83396153746944.

The previous prime is 213042323323387. The next prime is 213042323323477. The reversal of 213042323323420 is 24323323240312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133329 + ... + 20642248.

It is an arithmetic number, because the mean of its divisors is an integer number (9519785351160).

Almost surely, 2^{213042323323420} is an apocalyptic number.

213042323323420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213042323323420 is an abundant number, since it is smaller than the sum of its proper divisors (243907373532260).

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

213042323323420 is a wasteful number, since it uses less digits than its factorization.

213042323323420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20786542 (or 20786540 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 213042323323420 its reverse (24323323240312), we get a palindrome (237365646563732).

The spelling of 213042323323420 in words is "two hundred thirteen trillion, forty-two billion, three hundred twenty-three million, three hundred twenty-three thousand, four hundred twenty".