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23860121 is a prime number
BaseRepresentation
bin101101100000…
…1001110011001
31122220012221012
41123001032121
522102010441
62211223305
7406544015
oct133011631
948805835
1023860121
111251750a
127ba7b35
134c3541c
143251545
1521649eb
hex16c1399

23860121 has 2 divisors, whose sum is σ = 23860122. Its totient is φ = 23860120.

The previous prime is 23860051. The next prime is 23860159. The reversal of 23860121 is 12106832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19678096 + 4182025 = 4436^2 + 2045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23860121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23860171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11930060 + 11930061.

It is an arithmetic number, because the mean of its divisors is an integer number (11930061).

Almost surely, 223860121 is an apocalyptic number.

It is an amenable number.

23860121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23860121 is an equidigital number, since it uses as much as digits as its factorization.

23860121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 23860121 is about 4884.6822824008. The cubic root of 23860121 is about 287.8884317402. Note that the first 3 decimals are identical.

Adding to 23860121 its reverse (12106832), we get a palindrome (35966953).

The spelling of 23860121 in words is "twenty-three million, eight hundred sixty thousand, one hundred twenty-one".