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13818323 is a prime number
BaseRepresentation
bin110100101101…
…100111010011
3222000001011202
4310231213103
512014141243
61212101415
7225311441
oct64554723
928001152
1013818323
117888a02
12476486b
132b2a82c
141b99b91
15132e4b8
hexd2d9d3

13818323 has 2 divisors, whose sum is σ = 13818324. Its totient is φ = 13818322.

The previous prime is 13818313. The next prime is 13818341. The reversal of 13818323 is 32381831.

It is a weak prime.

It is an emirp because it is prime and its reverse (32381831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13818323 - 214 = 13801939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13818313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6909161 + 6909162.

It is an arithmetic number, because the mean of its divisors is an integer number (6909162).

Almost surely, 213818323 is an apocalyptic number.

13818323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13818323 is an equidigital number, since it uses as much as digits as its factorization.

13818323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 13818323 is about 3717.3004990181. The cubic root of 13818323 is about 239.9671424925.

It can be divided in two parts, 13818 and 323, that added together give a palindrome (14141).

The spelling of 13818323 in words is "thirteen million, eight hundred eighteen thousand, three hundred twenty-three".