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1123433441 = 1386417957
BaseRepresentation
bin100001011110110…
…0011101111100001
32220021221022221222
41002331203233201
54300044332231
6303251024425
736561012104
oct10275435741
92807838858
101123433441
11527170199
1227429b115
1314b996b20
14a92bc73b
156896427b
hex42f63be1

1123433441 has 4 divisors (see below), whose sum is σ = 1209851412. Its totient is φ = 1037015472.

The previous prime is 1123433417. The next prime is 1123433449. The reversal of 1123433441 is 1443343211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 704371600 + 419061841 = 26540^2 + 20471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1123433441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123433441.

It is not an unprimeable number, because it can be changed into a prime (1123433449) 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 in 3 ways as a sum of consecutive naturals, for example, 43208966 + ... + 43208991.

It is an arithmetic number, because the mean of its divisors is an integer number (302462853).

Almost surely, 21123433441 is an apocalyptic number.

It is an amenable number.

1123433441 is a deficient number, since it is larger than the sum of its proper divisors (86417971).

1123433441 is an equidigital number, since it uses as much as digits as its factorization.

1123433441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86417970.

The product of its digits is 3456, while the sum is 26.

The square root of 1123433441 is about 33517.6586443624. The cubic root of 1123433441 is about 1039.5589355670.

Adding to 1123433441 its reverse (1443343211), we get a palindrome (2566776652).

The spelling of 1123433441 in words is "one billion, one hundred twenty-three million, four hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 13 86417957 1123433441