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10123423 is a prime number
BaseRepresentation
bin100110100111…
…100010011111
3201001022201121
4212213202133
510042422143
61000551411
7152022232
oct46474237
921038647
1010123423
115794972
123482567
132135abb
1414b7419
15d4e7ed
hex9a789f

10123423 has 2 divisors, whose sum is σ = 10123424. Its totient is φ = 10123422.

The previous prime is 10123417. The next prime is 10123439. The reversal of 10123423 is 32432101.

It is a happy number.

10123423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (10123439) can be obtained adding 10123423 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10123423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10123397 and 10123406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10183423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061711 + 5061712.

It is an arithmetic number, because the mean of its divisors is an integer number (5061712).

Almost surely, 210123423 is an apocalyptic number.

10123423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123423 is an equidigital number, since it uses as much as digits as its factorization.

10123423 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 10123423 is about 3181.7327040466. The cubic root of 10123423 is about 216.3262032218.

Adding to 10123423 its reverse (32432101), we get a palindrome (42555524).

The spelling of 10123423 in words is "ten million, one hundred twenty-three thousand, four hundred twenty-three".