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2143230743 is a prime number
BaseRepresentation
bin111111110111111…
…0001101100010111
312112100212101212102
41333233301230113
513342131340433
6552400512315
7104053106063
oct17757615427
95470771772
102143230743
119aa885a85
124b991b69b
13282046094
14164900aa3
15c82564e8
hex7fbf1b17

2143230743 has 2 divisors, whose sum is σ = 2143230744. Its totient is φ = 2143230742.

The previous prime is 2143230701. The next prime is 2143230763. The reversal of 2143230743 is 3470323412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143230743 - 28 = 2143230487 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143230763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071615371 + 1071615372.

It is an arithmetic number, because the mean of its divisors is an integer number (1071615372).

Almost surely, 22143230743 is an apocalyptic number.

2143230743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143230743 is an equidigital number, since it uses as much as digits as its factorization.

2143230743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 2143230743 is about 46295.0401555069. The cubic root of 2143230743 is about 1289.3069094974.

The spelling of 2143230743 in words is "two billion, one hundred forty-three million, two hundred thirty thousand, seven hundred forty-three".