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2120000023 is a prime number
BaseRepresentation
bin111111001011100…
…1010001000010111
312110202011011022101
41332113022020113
513320210000043
6550210542531
7103351463041
oct17627121027
95422134271
102120000023
11998759439
124b1b97a47
1327a2a12ab
141617b4a91
15c61b824d
hex7e5ca217

2120000023 has 2 divisors, whose sum is σ = 2120000024. Its totient is φ = 2120000022.

The previous prime is 2120000017. The next prime is 2120000033. The reversal of 2120000023 is 3200000212.

It is an a-pointer prime, because the next prime (2120000033) can be obtained adding 2120000023 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2120000023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2119999964 and 2120000009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120000033) 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, 1060000011 + 1060000012.

It is an arithmetic number, because the mean of its divisors is an integer number (1060000012).

Almost surely, 22120000023 is an apocalyptic number.

2120000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120000023 is an equidigital number, since it uses as much as digits as its factorization.

2120000023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2120000023 is about 46043.4579826494. The cubic root of 2120000023 is about 1284.6316623582.

Adding to 2120000023 its reverse (3200000212), we get a palindrome (5320000235).

The spelling of 2120000023 in words is "two billion, one hundred twenty million, twenty-three", and thus it is an aban number.