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1223883253 is a prime number
BaseRepresentation
bin100100011110010…
…1111100111110101
310011021221201012101
41020330233213311
510001303231003
6321240022101
742220556515
oct11074574765
93137851171
101223883253
1157893966a
122a1a61931
13166737298
14b8789845
15726a711d
hex48f2f9f5

1223883253 has 2 divisors, whose sum is σ = 1223883254. Its totient is φ = 1223883252.

The previous prime is 1223883217. The next prime is 1223883257. The reversal of 1223883253 is 3523883221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1215080164 + 8803089 = 34858^2 + 2967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1223883253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223883257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611941626 + 611941627.

It is an arithmetic number, because the mean of its divisors is an integer number (611941627).

Almost surely, 21223883253 is an apocalyptic number.

It is an amenable number.

1223883253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223883253 is an equidigital number, since it uses as much as digits as its factorization.

1223883253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 1223883253 is about 34984.0428338407. The cubic root of 1223883253 is about 1069.6622374095.

The spelling of 1223883253 in words is "one billion, two hundred twenty-three million, eight hundred eighty-three thousand, two hundred fifty-three".