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1123467893 is a prime number
BaseRepresentation
bin100001011110110…
…1100001001110101
32220022000002012222
41002331230021311
54300101433033
6303251452125
736561214412
oct10275541165
92808002188
101123467893
11527194069
122742b7045
1314b9a9702
14a92cb109
156896e598
hex42f6c275

1123467893 has 2 divisors, whose sum is σ = 1123467894. Its totient is φ = 1123467892.

The previous prime is 1123467887. The next prime is 1123467901. The reversal of 1123467893 is 3987643211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636956644 + 486511249 = 25238^2 + 22057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123467893 - 224 = 1106690677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123467823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561733946 + 561733947.

It is an arithmetic number, because the mean of its divisors is an integer number (561733947).

Almost surely, 21123467893 is an apocalyptic number.

It is an amenable number.

1123467893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123467893 is an equidigital number, since it uses as much as digits as its factorization.

1123467893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 1123467893 is about 33518.1725784685. The cubic root of 1123467893 is about 1039.5695620735.

The spelling of 1123467893 in words is "one billion, one hundred twenty-three million, four hundred sixty-seven thousand, eight hundred ninety-three".