213023143999 has 8 divisors (see below), whose sum is σ = 229704032880. Its totient is φ = 196889169600.

The previous prime is 213023143987. The next prime is 213023144051. The reversal of 213023143999 is 999341320312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213023143999 - 2¹³ = 213023135807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213023143979) 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, 136727812 + ... + 136729369.

It is an arithmetic number, because the mean of its divisors is an integer number (28713004110).

Almost surely, 2^213023143999 is an apocalyptic number.

213023143999 is a deficient number, since it is larger than the sum of its proper divisors (16680888881).

213023143999 is a wasteful number, since it uses less digits than its factorization.

213023143999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273457241.

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 213023143999 in words is "two hundred thirteen billion, twenty-three million, one hundred forty-three thousand, nine hundred ninety-nine".