Base | Representation |
---|---|
bin | 10101110010111111… |
… | …101011111010000111 |
3 | 2020102002000012020122 |
4 | 111302333223322013 |
5 | 340412424242043 |
6 | 14430211452155 |
7 | 1455655566614 |
oct | 256277537207 |
9 | 66362005218 |
10 | 23404134023 |
11 | 9a20029326 |
12 | 4651bb705b |
13 | 228ca1a31a |
14 | 11c044b50b |
15 | 91ea3d368 |
hex | 572febe87 |
23404134023 has 4 divisors (see below), whose sum is σ = 23406338760. Its totient is φ = 23401929288.
The previous prime is 23404134007. The next prime is 23404134029. The reversal of 23404134023 is 32043140432.
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 23404134023 - 24 = 23404134007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23404133983 and 23404134001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23404134029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086368 + ... + 1107701.
It is an arithmetic number, because the mean of its divisors is an integer number (5851584690).
Almost surely, 223404134023 is an apocalyptic number.
23404134023 is a deficient number, since it is larger than the sum of its proper divisors (2204737).
23404134023 is a wasteful number, since it uses less digits than its factorization.
23404134023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2204736.
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 23404134023 its reverse (32043140432), we get a palindrome (55447274455).
The spelling of 23404134023 in words is "twenty-three billion, four hundred four million, one hundred thirty-four thousand, twenty-three".
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