213623000 has 32 divisors (see below), whose sum is σ = 499880160. Its totient is φ = 85448800.

The previous prime is 213622999. The next prime is 213623029. The reversal of 213623000 is 326312.

213623000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213623000² = 91269572258000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213623000.

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, 105812 + ... + 107811.

It is an arithmetic number, because the mean of its divisors is an integer number (15621255).

Almost surely, 2^213623000 is an apocalyptic number.

213623000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213623000 is an abundant number, since it is smaller than the sum of its proper divisors (286257160).

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

213623000 is a wasteful number, since it uses less digits than its factorization.

213623000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213644 (or 213630 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213623000 is about 14615.8475635182. The cubic root of 213623000 is about 597.7909508922.

Adding to 213623000 its reverse (326312), we get a palindrome (213949312).

The spelling of 213623000 in words is "two hundred thirteen million, six hundred twenty-three thousand".