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23112213001 = 67907380329
BaseRepresentation
bin10101100001100110…
…000110001000001001
32012122201201001212221
4111201212012020021
5334313211304001
614341222534041
71445512366123
oct254146061011
965581631787
1023112213001
119890272789
124590297321
1322443ba8a7
14119377c213
159040c81a1
hex561986209

23112213001 has 8 divisors (see below), whose sum is σ = 23483095520. Its totient is φ = 22742093088.

The previous prime is 23112212999. The next prime is 23112213071. The reversal of 23112213001 is 10031221132.

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 23112213001 - 21 = 23112212999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23112213071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129396 + ... + 250933.

It is an arithmetic number, because the mean of its divisors is an integer number (2935386940).

Almost surely, 223112213001 is an apocalyptic number.

It is an amenable number.

23112213001 is a deficient number, since it is larger than the sum of its proper divisors (370882519).

23112213001 is an equidigital number, since it uses as much as digits as its factorization.

23112213001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381303.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23112213001 its reverse (10031221132), we get a palindrome (33143434133).

The spelling of 23112213001 in words is "twenty-three billion, one hundred twelve million, two hundred thirteen thousand, one".

Divisors: 1 67 907 60769 380329 25482043 344958403 23112213001