Base | Representation |
---|---|
bin | 10101110010111100… |
… | …001111010011010111 |
3 | 2020102000022021201222 |
4 | 111302330033103113 |
5 | 340412211333143 |
6 | 14430140240555 |
7 | 1455645114326 |
oct | 256274172327 |
9 | 66360267658 |
10 | 23403230423 |
11 | 9a1a571451 |
12 | 465184015b |
13 | 228c791c51 |
14 | 11c02940bd |
15 | 91e910768 |
hex | 572f0f4d7 |
23403230423 has 4 divisors (see below), whose sum is σ = 23457279888. Its totient is φ = 23349180960.
The previous prime is 23403230419. The next prime is 23403230429. The reversal of 23403230423 is 32403230432.
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 23403230423 - 22 = 23403230419 is a prime.
It is a super-2 number, since 2×234032304232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23403230392 and 23403230401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23403230429) 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, 27024083 + ... + 27024948.
It is an arithmetic number, because the mean of its divisors is an integer number (5864319972).
Almost surely, 223403230423 is an apocalyptic number.
23403230423 is a deficient number, since it is larger than the sum of its proper divisors (54049465).
23403230423 is an equidigital number, since it uses as much as digits as its factorization.
23403230423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54049464.
The product of its (nonzero) digits is 10368, while the sum is 26.
Adding to 23403230423 its reverse (32403230432), we get a palindrome (55806460855).
Subtracting 23403230423 from its reverse (32403230432), we obtain a palindrome (9000000009).
The spelling of 23403230423 in words is "twenty-three billion, four hundred three million, two hundred thirty thousand, four hundred twenty-three".
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