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23043012 = 2234344657
BaseRepresentation
bin101011111100…
…1101111000100
31121100201001220
41113321233010
521344334022
62141520340
7366601536
oct127715704
947321056
1023043012
1112009613
1278730b0
134a0a525
1430bb856
15205285c
hex15f9bc4

23043012 has 24 divisors (see below), whose sum is σ = 55018656. Its totient is φ = 7502208.

The previous prime is 23042993. The next prime is 23043017. The reversal of 23043012 is 21034032.

It is a junction number, because it is equal to n+sod(n) for n = 23042982 and 23043000.

It is not an unprimeable number, because it can be changed into a prime (23043017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21813 + ... + 22844.

It is an arithmetic number, because the mean of its divisors is an integer number (2292444).

Almost surely, 223043012 is an apocalyptic number.

It is an amenable number.

23043012 is an abundant number, since it is smaller than the sum of its proper divisors (31975644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23043012 is a wasteful number, since it uses less digits than its factorization.

23043012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44707 (or 44705 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23043012 is about 4800.3137397466. The cubic root of 23043012 is about 284.5638635442.

Adding to 23043012 its reverse (21034032), we get a palindrome (44077044).

The spelling of 23043012 in words is "twenty-three million, forty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 44657 89314 133971 178628 267942 535884 1920251 3840502 5760753 7681004 11521506 23043012