221315504535323 has 8 divisors (see below), whose sum is σ = 241435305490176. Its totient is φ = 201195738519400.

The previous prime is 221315504535247. The next prime is 221315504535329. The reversal of 221315504535323 is 323535405513122.

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 221315504535323 - 2³⁶ = 221246785058587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221315504535329) 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, 5521490 + ... + 21751272.

It is an arithmetic number, because the mean of its divisors is an integer number (30179413186272).

Almost surely, 2^{221315504535323} is an apocalyptic number.

221315504535323 is a deficient number, since it is larger than the sum of its proper divisors (20119800954853).

221315504535323 is a wasteful number, since it uses less digits than its factorization.

221315504535323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17469465.

The product of its (nonzero) digits is 1620000, while the sum is 44.

The spelling of 221315504535323 in words is "two hundred twenty-one trillion, three hundred fifteen billion, five hundred four million, five hundred thirty-five thousand, three hundred twenty-three".