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23321111111 = 257347261509
BaseRepresentation
bin10101101110000010…
…111110101001000111
32020012021210012012222
4111232002332221013
5340230201023421
614414044202555
71453630113404
oct255602765107
966167705188
1023321111111
119988182a51
12462a23945b
13227876c03c
1411b33d92ab
159175ddcab
hex56e0bea47

23321111111 has 8 divisors (see below), whose sum is σ = 23479413840. Its totient is φ = 23163332608.

The previous prime is 23321111101. The next prime is 23321111131. The reversal of 23321111111 is 11111112332.

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 23321111111 - 222 = 23316916807 is a prime.

It is a Duffinian number.

23321111111 is a modest number, since divided by 111111 gives 23321 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 23321111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41576 + ... + 219933.

It is an arithmetic number, because the mean of its divisors is an integer number (2934926730).

Almost surely, 223321111111 is an apocalyptic number.

23321111111 is a deficient number, since it is larger than the sum of its proper divisors (158302729).

23321111111 is a wasteful number, since it uses less digits than its factorization.

23321111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262113.

The product of its digits is 36, while the sum is 17.

Adding to 23321111111 its reverse (11111112332), we get a palindrome (34432223443).

The spelling of 23321111111 in words is "twenty-three billion, three hundred twenty-one million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 257 347 89179 261509 67207813 90743623 23321111111