215023831573 has 8 divisors (see below), whose sum is σ = 229719098720. Its totient is φ = 200666386800.

The previous prime is 215023831567. The next prime is 215023831597. The reversal of 215023831573 is 375138320512.

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 215023831573 - 2¹⁷ = 215023700501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215023831513) 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, 84454278 + ... + 84456823.

It is an arithmetic number, because the mean of its divisors is an integer number (28714887340).

Almost surely, 2^215023831573 is an apocalyptic number.

It is an amenable number.

215023831573 is a deficient number, since it is larger than the sum of its proper divisors (14695267147).

215023831573 is a wasteful number, since it uses less digits than its factorization.

215023831573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168911187.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 215023831573 in words is "two hundred fifteen billion, twenty-three million, eight hundred thirty-one thousand, five hundred seventy-three".