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3123023130173 is a prime number
BaseRepresentation
bin101101011100100010101…
…011110010111000111101
3102001120001211222210220202
4231130202223302320331
5402131422410131143
610350410320053245
7441426265416062
oct55344253627075
912046054883822
103123023130173
11aa451515a291
1242531a164225
1319866613989b
14ab225946c69
1556384d0bab8
hex2d722af2e3d

3123023130173 has 2 divisors, whose sum is σ = 3123023130174. Its totient is φ = 3123023130172.

The previous prime is 3123023130089. The next prime is 3123023130187. The reversal of 3123023130173 is 3710313203213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1967404580164 + 1155618550009 = 1402642^2 + 1074997^2 .

It is an emirp because it is prime and its reverse (3710313203213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3123023130173 - 218 = 3123022868029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123023130373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561511565086 + 1561511565087.

It is an arithmetic number, because the mean of its divisors is an integer number (1561511565087).

Almost surely, 23123023130173 is an apocalyptic number.

It is an amenable number.

3123023130173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123023130173 is an equidigital number, since it uses as much as digits as its factorization.

3123023130173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 29.

Adding to 3123023130173 its reverse (3710313203213), we get a palindrome (6833336333386).

The spelling of 3123023130173 in words is "three trillion, one hundred twenty-three billion, twenty-three million, one hundred thirty thousand, one hundred seventy-three".