213423198 has 16 divisors (see below), whose sum is σ = 427076496. Its totient is φ = 71102720.

The previous prime is 213423167. The next prime is 213423229. The reversal of 213423198 is 891324312.

213423198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213423167) and next prime (213423229).

It is a super-2 number, since 2×213423198² = 91098922889094408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3940 + ... + 21032.

It is an arithmetic number, because the mean of its divisors is an integer number (26692281).

Almost surely, 2^213423198 is an apocalyptic number.

213423198 is an abundant number, since it is smaller than the sum of its proper divisors (213653298).

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

213423198 is a wasteful number, since it uses less digits than its factorization.

213423198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19179.

The product of its digits is 10368, while the sum is 33.

The square root of 213423198 is about 14609.0108494723. The cubic root of 213423198 is about 597.6045210846.

The spelling of 213423198 in words is "two hundred thirteen million, four hundred twenty-three thousand, one hundred ninety-eight".