221302323023 has 8 divisors (see below), whose sum is σ = 228966534480. Its totient is φ = 213640318080.

The previous prime is 221302322971. The next prime is 221302323041. The reversal of 221302323023 is 320323203122.

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

It is not a de Polignac number, because 221302323023 - 2⁸ = 221302322767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221302323023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221302323043) 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, 346265 + ... + 750002.

It is an arithmetic number, because the mean of its divisors is an integer number (28620816810).

Almost surely, 2^221302323023 is an apocalyptic number.

221302323023 is a deficient number, since it is larger than the sum of its proper divisors (7664211457).

221302323023 is a wasteful number, since it uses less digits than its factorization.

221302323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103257.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 221302323023 its reverse (320323203122), we get a palindrome (541625526145).

The spelling of 221302323023 in words is "two hundred twenty-one billion, three hundred two million, three hundred twenty-three thousand, twenty-three".