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1223133073 is a prime number
BaseRepresentation
bin100100011100111…
…1000011110010001
310011020112121010221
41020321320132101
510001110224243
6321211553041
742211313431
oct11071703621
93136477127
101223133073
11578476a88
122a175b781
131665339a6
14b86322c1
15725a9bed
hex48e78791

1223133073 has 2 divisors, whose sum is σ = 1223133074. Its totient is φ = 1223133072.

The previous prime is 1223133059. The next prime is 1223133127. The reversal of 1223133073 is 3703313221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221712209 + 1420864 = 34953^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223133073 - 225 = 1189578641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223133473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611566536 + 611566537.

It is an arithmetic number, because the mean of its divisors is an integer number (611566537).

Almost surely, 21223133073 is an apocalyptic number.

It is an amenable number.

1223133073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223133073 is an equidigital number, since it uses as much as digits as its factorization.

1223133073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 1223133073 is about 34973.3194449712. The cubic root of 1223133073 is about 1069.4436426965.

Adding to 1223133073 its reverse (3703313221), we get a palindrome (4926446294).

The spelling of 1223133073 in words is "one billion, two hundred twenty-three million, one hundred thirty-three thousand, seventy-three".