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102123223 is a prime number
BaseRepresentation
bin1100001011001…
…00011011010111
321010011101201121
412011210123113
5202120420343
614044504411
72350014226
oct605443327
9233141647
10102123223
1152711764
122a24b107
1318208057
14d7c4cbd
158e73aed
hex61646d7

102123223 has 2 divisors, whose sum is σ = 102123224. Its totient is φ = 102123222.

The previous prime is 102123187. The next prime is 102123227. The reversal of 102123223 is 322321201.

It is a strong prime.

It is an emirp because it is prime and its reverse (322321201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102123223 - 213 = 102115031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102123197 and 102123206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102123227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061611 + 51061612.

It is an arithmetic number, because the mean of its divisors is an integer number (51061612).

Almost surely, 2102123223 is an apocalyptic number.

102123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

102123223 is an equidigital number, since it uses as much as digits as its factorization.

102123223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102123223 is about 10105.6035445687. The cubic root of 102123223 is about 467.4209469122.

Adding to 102123223 its reverse (322321201), we get a palindrome (424444424).

The spelling of 102123223 in words is "one hundred two million, one hundred twenty-three thousand, two hundred twenty-three".