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2000001223 = 111491220257
BaseRepresentation
bin111011100110101…
…1001100011000111
312011101100120220101
41313031121203013
513044000014343
6530242544531
7100363505233
oct16715314307
95141316811
102000001223
11936a48580
12479968147
1325b477a9c
1414d8995c3
15ba8b2e4d
hex773598c7

2000001223 has 8 divisors (see below), whose sum is σ = 2196464400. Its totient is φ = 1805978880.

The previous prime is 2000001187. The next prime is 2000001229. The reversal of 2000001223 is 3221000002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2000001223 - 229 = 1463130311 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 (2000001229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608490 + ... + 611767.

It is an arithmetic number, because the mean of its divisors is an integer number (274558050).

Almost surely, 22000001223 is an apocalyptic number.

2000001223 is a deficient number, since it is larger than the sum of its proper divisors (196463177).

2000001223 is a wasteful number, since it uses less digits than its factorization.

2000001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220417.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2000001223 is about 44721.3732235494. The cubic root of 2000001223 is about 1259.9213067087.

Adding to 2000001223 its reverse (3221000002), we get a palindrome (5221001225).

The spelling of 2000001223 in words is "two billion, one thousand, two hundred twenty-three".

Divisors: 1 11 149 1639 1220257 13422827 181818293 2000001223