221312000322023 has 16 divisors (see below), whose sum is σ = 253315292763456. Its totient is φ = 191539990387200.

The previous prime is 221312000322019. The next prime is 221312000322029. The reversal of 221312000322023 is 320223000213122.

It is not a de Polignac number, because 221312000322023 - 2² = 221312000322019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221312000322023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221312000322029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1903766528 + ... + 1903882773.

It is an arithmetic number, because the mean of its divisors is an integer number (15832205797716).

Almost surely, 2^{221312000322023} is an apocalyptic number.

221312000322023 is a deficient number, since it is larger than the sum of its proper divisors (32003292441433).

221312000322023 is a wasteful number, since it uses less digits than its factorization.

221312000322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807649594.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221312000322023 its reverse (320223000213122), we get a palindrome (541535000535145).

The spelling of 221312000322023 in words is "two hundred twenty-one trillion, three hundred twelve billion, three hundred twenty-two thousand, twenty-three".