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2020123103 is a prime number
BaseRepresentation
bin111100001101000…
…1010000111011111
312012210012212221012
41320122022013133
513114122414403
6532242125435
7101026522505
oct17032120737
95183185835
102020123103
11947341429
1248465087b
132626a181b
14152416675
15bc539ed8
hex7868a1df

2020123103 has 2 divisors, whose sum is σ = 2020123104. Its totient is φ = 2020123102.

The previous prime is 2020123099. The next prime is 2020123117. The reversal of 2020123103 is 3013210202.

It is a happy number.

It is an a-pointer prime, because the next prime (2020123117) can be obtained adding 2020123103 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020123103 - 22 = 2020123099 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020123123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010061551 + 1010061552.

It is an arithmetic number, because the mean of its divisors is an integer number (1010061552).

Almost surely, 22020123103 is an apocalyptic number.

2020123103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020123103 is an equidigital number, since it uses as much as digits as its factorization.

2020123103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2020123103 is about 44945.7795905244. The cubic root of 2020123103 is about 1264.1325434419.

Adding to 2020123103 its reverse (3013210202), we get a palindrome (5033333305).

The spelling of 2020123103 in words is "two billion, twenty million, one hundred twenty-three thousand, one hundred three".