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23210101 is a prime number
BaseRepresentation
bin101100010001…
…0100001110101
31121200012021101
41120202201311
521420210401
62145250101
7401165635
oct130424165
947605241
1023210101
1112113102
127933931
134a685b5
1431226c5
152087101
hex1622875

23210101 has 2 divisors, whose sum is σ = 23210102. Its totient is φ = 23210100.

The previous prime is 23210093. The next prime is 23210111. The reversal of 23210101 is 10101232.

Adding to 23210101 its reverse (10101232), we get a palindrome (33311333).

It can be divided in two parts, 232 and 10101, that multiplied together give a palindrome (2343432).

23210101 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an a-pointer prime, because the next prime (23210111) can be obtained adding 23210101 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20566225 + 2643876 = 4535^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 23210101 - 23 = 23210093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23210111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605050 + 11605051.

It is an arithmetic number, because the mean of its divisors is an integer number (11605051).

Almost surely, 223210101 is an apocalyptic number.

It is an amenable number.

23210101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210101 is an equidigital number, since it uses as much as digits as its factorization.

23210101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 23210101 is about 4817.6862703999. The cubic root of 23210101 is about 285.2500155544.

The spelling of 23210101 in words is "twenty-three million, two hundred ten thousand, one hundred one".