Base | Representation |
---|---|
bin | 1110101101101… |
… | …10110001010111 |
3 | 22121020222220102 |
4 | 13112312301113 |
5 | 223044311043 |
6 | 20125324315 |
7 | 3026104061 |
oct | 726666127 |
9 | 277228812 |
10 | 123432023 |
11 | 63746340 |
12 | 3540669b |
13 | 1c759100 |
14 | 12570731 |
15 | ac826b8 |
hex | 75b6c57 |
123432023 has 24 divisors (see below), whose sum is σ = 148133376. Its totient is φ = 101930400.
The previous prime is 123432013. The next prime is 123432077. The reversal of 123432023 is 320234321.
It is not a de Polignac number, because 123432023 - 220 = 122383447 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123431986 and 123432004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123432013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124058 + ... + 125048.
It is an arithmetic number, because the mean of its divisors is an integer number (6172224).
Almost surely, 2123432023 is an apocalyptic number.
123432023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
123432023 is a deficient number, since it is larger than the sum of its proper divisors (24701353).
123432023 is a wasteful number, since it uses less digits than its factorization.
123432023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1095 (or 1082 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 123432023 is about 11109.9965346529. The cubic root of 123432023 is about 497.9005610503.
Adding to 123432023 its reverse (320234321), we get a palindrome (443666344).
The spelling of 123432023 in words is "one hundred twenty-three million, four hundred thirty-two thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •