213023144000 has 56 divisors (see below), whose sum is σ = 527551835928. Its totient is φ = 85209254400.

The previous prime is 213023143987. The next prime is 213023144051. The reversal of 213023144000 is 441320312.

It can be written as a sum of positive squares in 4 ways, for example, as 26613354496 + 186409789504 = 163136^2 + 431752^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 13305947 + ... + 13321946.

Almost surely, 2^213023144000 is an apocalyptic number.

213023144000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213023144000 is an abundant number, since it is smaller than the sum of its proper divisors (314528691928).

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

213023144000 is an equidigital number, since it uses as much as digits as its factorization.

213023144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26627920 (or 26627900 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213023144000 its reverse (441320312), we get a palindrome (213464464312).

The spelling of 213023144000 in words is "two hundred thirteen billion, twenty-three million, one hundred forty-four thousand".