Search a number
-
+
2423221423 = 73189125471
BaseRepresentation
bin1001000001101111…
…0110110010101111
320020212201101212121
42100123312302233
514430321041143
61040242013411
7114023020330
oct22033666257
96225641777
102423221423
111033933137
12577647267
132c805943c
1418db86287
15e2b117ed
hex906f6caf

2423221423 has 16 divisors (see below), whose sum is σ = 2890874880. Its totient is φ = 1987444800.

The previous prime is 2423221417. The next prime is 2423221433. The reversal of 2423221423 is 3241223242.

It is a cyclic number.

It is not a de Polignac number, because 2423221423 - 225 = 2389666991 is a prime.

It is a super-2 number, since 2×24232214232 = 11744004129772289858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423221433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43423 + ... + 82048.

It is an arithmetic number, because the mean of its divisors is an integer number (180679680).

Almost surely, 22423221423 is an apocalyptic number.

2423221423 is a deficient number, since it is larger than the sum of its proper divisors (467653457).

2423221423 is a wasteful number, since it uses less digits than its factorization.

2423221423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125598.

The product of its digits is 4608, while the sum is 25.

The square root of 2423221423 is about 49226.2269831845. The cubic root of 2423221423 is about 1343.1701549368.

Adding to 2423221423 its reverse (3241223242), we get a palindrome (5664444665).

The spelling of 2423221423 in words is "two billion, four hundred twenty-three million, two hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 7 31 89 217 623 2759 19313 125471 878297 3889601 11166919 27227207 78168433 346174489 2423221423