Search a number
-
+
1223230123103 = 2269539105387
BaseRepresentation
bin10001110011001110001…
…100100110110001011111
311022221101000021122010012
4101303032030212301133
5130020133402414403
62333535534433435
7154242532330322
oct21631614466137
94287330248105
101223230123103
1143185057343a
121790a136287b
138b47224a191
14432c17da7b9
1521c44304ed8
hex11cce326c5f

1223230123103 has 4 divisors (see below), whose sum is σ = 1223769230760. Its totient is φ = 1222691015448.

The previous prime is 1223230123051. The next prime is 1223230123123. The reversal of 1223230123103 is 3013210323221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223230123103 - 214 = 1223230106719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223230123123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269550425 + ... + 269554962.

It is an arithmetic number, because the mean of its divisors is an integer number (305942307690).

Almost surely, 21223230123103 is an apocalyptic number.

1223230123103 is a deficient number, since it is larger than the sum of its proper divisors (539107657).

1223230123103 is an equidigital number, since it uses as much as digits as its factorization.

1223230123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539107656.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1223230123103 its reverse (3013210323221), we get a palindrome (4236440446324).

The spelling of 1223230123103 in words is "one trillion, two hundred twenty-three billion, two hundred thirty million, one hundred twenty-three thousand, one hundred three".

Divisors: 1 2269 539105387 1223230123103