Search a number
-
+
1203103023223 = 5682121173563
BaseRepresentation
bin10001100000011110100…
…001110100000001110111
311021000102022121000121111
4101200132201310001313
5124202423333220343
62320410425055451
7152631004651663
oct21403641640167
94230368530544
101203103023223
114242623233a2
12175204927587
13895b5430b1a
14423326ab8a3
152146732ec9d
hex1181e874077

1203103023223 has 4 divisors (see below), whose sum is σ = 1203124253608. Its totient is φ = 1203081792840.

The previous prime is 1203103023211. The next prime is 1203103023347. The reversal of 1203103023223 is 3223203013021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1203103023223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203103023194 and 1203103023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203103023823) 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, 10529961 + ... + 10643602.

It is an arithmetic number, because the mean of its divisors is an integer number (300781063402).

Almost surely, 21203103023223 is an apocalyptic number.

1203103023223 is a deficient number, since it is larger than the sum of its proper divisors (21230385).

1203103023223 is an equidigital number, since it uses as much as digits as its factorization.

1203103023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21230384.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1203103023223 its reverse (3223203013021), we get a palindrome (4426306036244).

The spelling of 1203103023223 in words is "one trillion, two hundred three billion, one hundred three million, twenty-three thousand, two hundred twenty-three".

Divisors: 1 56821 21173563 1203103023223