Base | Representation |
---|---|
bin | 10101011100010011… |
… | …011101000101100111 |
3 | 2012102112122221112120 |
4 | 111130103131011213 |
5 | 334123000041411 |
6 | 14324332121023 |
7 | 1443354004311 |
oct | 253423350547 |
9 | 65375587476 |
10 | 23023440231 |
11 | 984514a460 |
12 | 4566606173 |
13 | 222bba841c |
14 | 1185a707b1 |
15 | 8eb3e0106 |
hex | 55c4dd167 |
23023440231 has 32 divisors (see below), whose sum is σ = 33655585536. Its totient is φ = 13884192000.
The previous prime is 23023440179. The next prime is 23023440281. The reversal of 23023440231 is 13204432032.
It is not a de Polignac number, because 23023440231 - 211 = 23023438183 is a prime.
It is a super-2 number, since 2×230234402312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23023440281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9002805 + ... + 9005361.
It is an arithmetic number, because the mean of its divisors is an integer number (1051737048).
Almost surely, 223023440231 is an apocalyptic number.
23023440231 is a deficient number, since it is larger than the sum of its proper divisors (10632145305).
23023440231 is a wasteful number, since it uses less digits than its factorization.
23023440231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3823.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 23023440231 its reverse (13204432032), we get a palindrome (36227872263).
The spelling of 23023440231 in words is "twenty-three billion, twenty-three million, four hundred forty thousand, two hundred thirty-one".
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