213534453000 has 256 divisors, whose sum is σ = 751858848000. Its totient is φ = 49980672000.

The previous prime is 213534452977. The next prime is 213534453001. The reversal of 213534453000 is 354435312.

213534453000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×213534453000³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (213534453001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 845436 + ... + 1068564.

It is an arithmetic number, because the mean of its divisors is an integer number (2936948625).

Almost surely, 2^213534453000 is an apocalyptic number.

213534453000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213534453000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375929424000).

213534453000 is an abundant number, since it is smaller than the sum of its proper divisors (538324395000).

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

213534453000 is a wasteful number, since it uses less digits than its factorization.

213534453000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223193 (or 223179 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 213534453000 its reverse (354435312), we get a palindrome (213888888312).

The spelling of 213534453000 in words is "two hundred thirteen billion, five hundred thirty-four million, four hundred fifty-three thousand".