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23321100223 = 147863157721
BaseRepresentation
bin10101101110000010…
…111011111110111111
32020012021202122021201
4111232002323332333
5340230200201343
614414044040331
71453630036561
oct255602737677
966167678251
1023321100223
119988175853
12462a2330a7
1322787670b5
1411b33d5331
159175da94d
hex56e0bbfbf

23321100223 has 4 divisors (see below), whose sum is σ = 23321405808. Its totient is φ = 23320794640.

The previous prime is 23321100211. The next prime is 23321100239. The reversal of 23321100223 is 32200112332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23321100223 - 225 = 23287545791 is a prime.

It is a super-2 number, since 2×233211002232 (a number of 22 digits) contains 22 as substring.

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 23321100223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321109223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69003 + ... + 226723.

It is an arithmetic number, because the mean of its divisors is an integer number (5830351452).

Almost surely, 223321100223 is an apocalyptic number.

23321100223 is a deficient number, since it is larger than the sum of its proper divisors (305585).

23321100223 is a wasteful number, since it uses less digits than its factorization.

23321100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305584.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23321100223 its reverse (32200112332), we get a palindrome (55521212555).

The spelling of 23321100223 in words is "twenty-three billion, three hundred twenty-one million, one hundred thousand, two hundred twenty-three".

Divisors: 1 147863 157721 23321100223