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23213003201 = 135743171007
BaseRepresentation
bin10101100111100110…
…100101000111000001
32012220202100202001022
4111213212211013001
5340020012100301
614355223115225
71451145162113
oct254746450701
965822322038
1023213003201
119932153973
1245b9ba2b15
13225c249c6b
1411a2cd73b3
1590cd86d1b
hex5679a51c1

23213003201 has 4 divisors (see below), whose sum is σ = 23213309952. Its totient is φ = 23212696452.

The previous prime is 23213003119. The next prime is 23213003213. The reversal of 23213003201 is 10230031232.

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, 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 23213003201 - 214 = 23212986817 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 23213003201.

It is not an unprimeable number, because it can be changed into a prime (23213003221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50240 + ... + 221246.

It is an arithmetic number, because the mean of its divisors is an integer number (5803327488).

Almost surely, 223213003201 is an apocalyptic number.

It is an amenable number.

23213003201 is a deficient number, since it is larger than the sum of its proper divisors (306751).

23213003201 is a wasteful number, since it uses less digits than its factorization.

23213003201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306750.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23213003201 its reverse (10230031232), we get a palindrome (33443034433).

The spelling of 23213003201 in words is "twenty-three billion, two hundred thirteen million, three thousand, two hundred one".

Divisors: 1 135743 171007 23213003201