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1223110423 is a prime number
BaseRepresentation
bin100100011100111…
…0010111100010111
310011020111110002001
41020321302330113
510001104013143
6321211300131
742211160413
oct11071627427
93136443061
101223110423
11578460a67
122a174a647
131665265a2
14b8627d43
15725a314d
hex48e72f17

1223110423 has 2 divisors, whose sum is σ = 1223110424. Its totient is φ = 1223110422.

The previous prime is 1223110417. The next prime is 1223110429. The reversal of 1223110423 is 3240113221.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1223110417) and next prime (1223110429).

It is an emirp because it is prime and its reverse (3240113221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1223110423 - 25 = 1223110391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223110423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223110429) 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, 611555211 + 611555212.

It is an arithmetic number, because the mean of its divisors is an integer number (611555212).

Almost surely, 21223110423 is an apocalyptic number.

1223110423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223110423 is an equidigital number, since it uses as much as digits as its factorization.

1223110423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1223110423 is about 34972.9956251963. The cubic root of 1223110423 is about 1069.4370413303.

Adding to 1223110423 its reverse (3240113221), we get a palindrome (4463223644).

The spelling of 1223110423 in words is "one billion, two hundred twenty-three million, one hundred ten thousand, four hundred twenty-three".