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13123124423 is a prime number
BaseRepresentation
bin11000011100011001…
…01111110011000111
31020212120110210102022
430032030233303013
5203334004440143
610010110033355
7643126500653
oct141614576307
936776423368
1013123124423
115624730682
122662aa885b
131311a50aa6
148c6c59a63
1551c173268
hex30e32fcc7

13123124423 has 2 divisors, whose sum is σ = 13123124424. Its totient is φ = 13123124422.

The previous prime is 13123124401. The next prime is 13123124429. The reversal of 13123124423 is 32442132131.

It is a strong prime.

It is an emirp because it is prime and its reverse (32442132131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13123124423 - 214 = 13123108039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123124392 and 13123124401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123124429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561562211 + 6561562212.

It is an arithmetic number, because the mean of its divisors is an integer number (6561562212).

Almost surely, 213123124423 is an apocalyptic number.

13123124423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123124423 is an equidigital number, since it uses as much as digits as its factorization.

13123124423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

Adding to 13123124423 its reverse (32442132131), we get a palindrome (45565256554).

The spelling of 13123124423 in words is "thirteen billion, one hundred twenty-three million, one hundred twenty-four thousand, four hundred twenty-three".