Base | Representation |
---|---|
bin | 10101110100001001… |
… | …001110111101111100 |
3 | 2020110102021201121001 |
4 | 111310021032331330 |
5 | 340432343223030 |
6 | 14432141020044 |
7 | 1456311510100 |
oct | 256411167574 |
9 | 66412251531 |
10 | 23423414140 |
11 | 9a2a9a7805 |
12 | 4658554624 |
13 | 2293a0ab89 |
14 | 11c2c29900 |
15 | 92159acca |
hex | 57424ef7c |
23423414140 has 36 divisors (see below), whose sum is σ = 57220056936. Its totient is φ = 8030884512.
The previous prime is 23423414137. The next prime is 23423414143. The reversal of 23423414140 is 4141432432.
It is an interprime number because it is at equal distance from previous prime (23423414137) and next prime (23423414143).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a junction number, because it is equal to n+sod(n) for n = 23423414099 and 23423414108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23423414143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11949742 + ... + 11951701.
It is an arithmetic number, because the mean of its divisors is an integer number (1589446026).
Almost surely, 223423414140 is an apocalyptic number.
23423414140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23423414140 is an abundant number, since it is smaller than the sum of its proper divisors (33796642796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23423414140 is a wasteful number, since it uses less digits than its factorization.
23423414140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23901466 (or 23901457 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 23423414140 its reverse (4141432432), we get a palindrome (27564846572).
The spelling of 23423414140 in words is "twenty-three billion, four hundred twenty-three million, four hundred fourteen thousand, one hundred forty".
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