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10423121 is a prime number
BaseRepresentation
bin100111110000…
…101101010001
3201121112211112
4213300231101
510132014441
61011223105
7154411052
oct47605521
921545745
1010423121
11597a055
1235a7a95
13220c337
141554729
15dad4eb
hex9f0b51

10423121 has 2 divisors, whose sum is σ = 10423122. Its totient is φ = 10423120.

The previous prime is 10423109. The next prime is 10423187. The reversal of 10423121 is 12132401.

10423121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8761600 + 1661521 = 2960^2 + 1289^2 .

It is an emirp because it is prime and its reverse (12132401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10423121 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10423096 and 10423105.

It is not a weakly prime, because it can be changed into another prime (10423321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211560 + 5211561.

It is an arithmetic number, because the mean of its divisors is an integer number (5211561).

Almost surely, 210423121 is an apocalyptic number.

It is an amenable number.

10423121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10423121 is an equidigital number, since it uses as much as digits as its factorization.

10423121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 10423121 is about 3228.4858680192. The cubic root of 10423121 is about 218.4402139070.

Adding to 10423121 its reverse (12132401), we get a palindrome (22555522).

The spelling of 10423121 in words is "ten million, four hundred twenty-three thousand, one hundred twenty-one".