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1232230369 is a prime number
BaseRepresentation
bin100100101110010…
…0101011111100001
310011212122210021211
41021130211133201
510010422332434
6322134550121
742351533236
oct11134453741
93155583254
101232230369
1158261aa07
122a4808341
1316839a6c6
14b991d78d
15732a5464
hex497257e1

1232230369 has 2 divisors, whose sum is σ = 1232230370. Its totient is φ = 1232230368.

The previous prime is 1232230361. The next prime is 1232230423. The reversal of 1232230369 is 9630322321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191078144 + 41152225 = 34512^2 + 6415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232230369 - 23 = 1232230361 is a prime.

It is a super-2 number, since 2×12322303692 = 3036783364571752322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232230369.

It is not a weakly prime, because it can be changed into another prime (1232230361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616115184 + 616115185.

It is an arithmetic number, because the mean of its divisors is an integer number (616115185).

Almost surely, 21232230369 is an apocalyptic number.

It is an amenable number.

1232230369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232230369 is an equidigital number, since it uses as much as digits as its factorization.

1232230369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1232230369 is about 35103.1390191817. The cubic root of 1232230369 is about 1072.0884963629.

The spelling of 1232230369 in words is "one billion, two hundred thirty-two million, two hundred thirty thousand, three hundred sixty-nine".