Base | Representation |
---|---|
bin | 101111001000… |
… | …110110011111 |
3 | 212020210122112 |
4 | 233020312133 |
5 | 11130411043 |
6 | 1120504235 |
7 | 210014210 |
oct | 57106637 |
9 | 25223575 |
10 | 12357023 |
11 | 6a80018 |
12 | 417b07b |
13 | 2738663 |
14 | 18d9407 |
15 | 1141518 |
hex | bc8d9f |
12357023 has 4 divisors (see below), whose sum is σ = 14122320. Its totient is φ = 10591728.
The previous prime is 12356983. The next prime is 12357029. The reversal of 12357023 is 32075321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32075321 = 109 ⋅294269.
It is not a de Polignac number, because 12357023 - 26 = 12356959 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12357023.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12357029) 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, 882638 + ... + 882651.
It is an arithmetic number, because the mean of its divisors is an integer number (3530580).
Almost surely, 212357023 is an apocalyptic number.
12357023 is a deficient number, since it is larger than the sum of its proper divisors (1765297).
12357023 is an equidigital number, since it uses as much as digits as its factorization.
12357023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1765296.
The product of its (nonzero) digits is 1260, while the sum is 23.
The square root of 12357023 is about 3515.2557517199. The cubic root of 12357023 is about 231.1911924483.
The spelling of 12357023 in words is "twelve million, three hundred fifty-seven thousand, twenty-three".
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