Base | Representation |
---|---|
bin | 10101011010111111… |
… | …000010100010111111 |
3 | 2012101000000200112002 |
4 | 111122333002202333 |
5 | 334101313431143 |
6 | 14322221532515 |
7 | 1442664630656 |
oct | 253277024277 |
9 | 65330020462 |
10 | 23001311423 |
11 | 9833705792 |
12 | 455b11413b |
13 | 222742b05c |
14 | 1182b5019d |
15 | 8e94bd5b8 |
hex | 55afc28bf |
23001311423 has 4 divisors (see below), whose sum is σ = 24354329760. Its totient is φ = 21648293088.
The previous prime is 23001311413. The next prime is 23001311467. The reversal of 23001311423 is 32411310032.
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 23001311423 - 24 = 23001311407 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23001311395 and 23001311404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23001311413) 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, 676509143 + ... + 676509176.
It is an arithmetic number, because the mean of its divisors is an integer number (6088582440).
Almost surely, 223001311423 is an apocalyptic number.
23001311423 is a deficient number, since it is larger than the sum of its proper divisors (1353018337).
23001311423 is a wasteful number, since it uses less digits than its factorization.
23001311423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1353018336.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 23001311423 its reverse (32411310032), we get a palindrome (55412621455).
The spelling of 23001311423 in words is "twenty-three billion, one million, three hundred eleven thousand, four hundred twenty-three".
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