212323398 has 16 divisors (see below), whose sum is σ = 485310720. Its totient is φ = 60663816.

The previous prime is 212323381. The next prime is 212323399. The reversal of 212323398 is 893323212.

212323398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212323399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2527618 + ... + 2527701.

It is an arithmetic number, because the mean of its divisors is an integer number (30331920).

Almost surely, 2^212323398 is an apocalyptic number.

212323398 is an abundant number, since it is smaller than the sum of its proper divisors (272987322).

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

212323398 is a wasteful number, since it uses less digits than its factorization.

212323398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055331.

The product of its digits is 15552, while the sum is 33.

The square root of 212323398 is about 14571.3210794355. The cubic root of 212323398 is about 596.5762391526.

It can be divided in two parts, 212 and 323398, that added together give a triangular number (323610 = T₈₀₄).

The spelling of 212323398 in words is "two hundred twelve million, three hundred twenty-three thousand, three hundred ninety-eight".