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1232023277 is a prime number
BaseRepresentation
bin100100101101111…
…0010111011101101
310011212021021012202
41021123302323231
510010344221102
6322130311245
742350011412
oct11133627355
93155237182
101232023277
11582499361
122a4728525
13168327374
14b98a8109
1573263e02
hex496f2eed

1232023277 has 2 divisors, whose sum is σ = 1232023278. Its totient is φ = 1232023276.

The previous prime is 1232023271. The next prime is 1232023279. The reversal of 1232023277 is 7723202321.

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., 1048529161 + 183494116 = 32381^2 + 13546^2 .

It is an emirp because it is prime and its reverse (7723202321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1232023277 is a prime.

Together with 1232023279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232023271) 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, 616011638 + 616011639.

It is an arithmetic number, because the mean of its divisors is an integer number (616011639).

Almost surely, 21232023277 is an apocalyptic number.

It is an amenable number.

1232023277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232023277 is an equidigital number, since it uses as much as digits as its factorization.

1232023277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1232023277 is about 35100.1891305446. The cubic root of 1232023277 is about 1072.0284336248.

Adding to 1232023277 its reverse (7723202321), we get a palindrome (8955225598).

The spelling of 1232023277 in words is "one billion, two hundred thirty-two million, twenty-three thousand, two hundred seventy-seven".