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23130122201 = 231005657487
BaseRepresentation
bin10101100010101010…
…011010011111011001
32012200222101221200122
4111202222122133121
5334332302402301
614343102443025
71446120536414
oct254252323731
965628357618
1023130122201
11989a39517a
124596293475
13224801b454
141195cc0b7b
1590596481b
hex562a9a7d9

23130122201 has 4 divisors (see below), whose sum is σ = 24135779712. Its totient is φ = 22124464692.

The previous prime is 23130122177. The next prime is 23130122227. The reversal of 23130122201 is 10222103132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23130122201 - 26 = 23130122137 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 23130122201.

It is not an unprimeable number, because it can be changed into a prime (23130122231) 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 3 ways as a sum of consecutive naturals, for example, 502828721 + ... + 502828766.

It is an arithmetic number, because the mean of its divisors is an integer number (6033944928).

Almost surely, 223130122201 is an apocalyptic number.

It is an amenable number.

23130122201 is a deficient number, since it is larger than the sum of its proper divisors (1005657511).

23130122201 is a wasteful number, since it uses less digits than its factorization.

23130122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005657510.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23130122201 its reverse (10222103132), we get a palindrome (33352225333).

The spelling of 23130122201 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 23 1005657487 23130122201