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23217101 is a prime number
BaseRepresentation
bin101100010010…
…0001111001101
31121200112212122
41120210033031
521420421401
62145342325
7401225225
oct130441715
947615778
1023217101
1112118396
1279379a5
134a6b83b
143125085
15208921b
hex16243cd

23217101 has 2 divisors, whose sum is σ = 23217102. Its totient is φ = 23217100.

The previous prime is 23217091. The next prime is 23217113. The reversal of 23217101 is 10171232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 1267876 = 4685^2 + 1126^2 .

It is a cyclic number.

It is not a de Polignac number, because 23217101 - 214 = 23200717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23217101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23217151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11608550 + 11608551.

It is an arithmetic number, because the mean of its divisors is an integer number (11608551).

Almost surely, 223217101 is an apocalyptic number.

It is an amenable number.

23217101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23217101 is an equidigital number, since it uses as much as digits as its factorization.

23217101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 23217101 is about 4818.4127054456. The cubic root of 23217101 is about 285.2786891250.

Adding to 23217101 its reverse (10171232), we get a palindrome (33388333).

The spelling of 23217101 in words is "twenty-three million, two hundred seventeen thousand, one hundred one".