Base | Representation |
---|---|
bin | 101011111100… |
… | …1100001001011 |
3 | 1121100122211222 |
4 | 1113321201023 |
5 | 21344321443 |
6 | 2141512255 |
7 | 366566126 |
oct | 127714113 |
9 | 47318758 |
10 | 23042123 |
11 | 12008985 |
12 | 787268b |
13 | 4a09cc0 |
14 | 30bb3bd |
15 | 2052468 |
hex | 15f984b |
23042123 has 16 divisors (see below), whose sum is σ = 26925696. Its totient is φ = 19522560.
The previous prime is 23042119. The next prime is 23042137. The reversal of 23042123 is 32124032.
It is not a de Polignac number, because 23042123 - 22 = 23042119 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23042183) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7790 + ... + 10332.
It is an arithmetic number, because the mean of its divisors is an integer number (1682856).
Almost surely, 223042123 is an apocalyptic number.
23042123 is a deficient number, since it is larger than the sum of its proper divisors (3883573).
23042123 is a wasteful number, since it uses less digits than its factorization.
23042123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2614.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 23042123 is about 4800.2211407392. The cubic root of 23042123 is about 284.5602040034.
Adding to 23042123 its reverse (32124032), we get a palindrome (55166155).
The spelling of 23042123 in words is "twenty-three million, forty-two thousand, one hundred twenty-three".
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