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23012 = 2211523
BaseRepresentation
bin101100111100100
31011120022
411213210
51214022
6254312
7124043
oct54744
934508
1023012
1116320
1211398
13a622
14855a
156c42
hex59e4

23012 has 12 divisors (see below), whose sum is σ = 44016. Its totient is φ = 10440.

The previous prime is 23011. The next prime is 23017. The reversal of 23012 is 21032.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (23011) 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, 218 + ... + 305.

It is an arithmetic number, because the mean of its divisors is an integer number (3668).

223012 is an apocalyptic number.

23012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23012 is a deficient number, since it is larger than the sum of its proper divisors (21004).

23012 is a wasteful number, since it uses less digits than its factorization.

23012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 23012 is about 151.6970665504. The cubic root of 23012 is about 28.4436147942.

Adding to 23012 its reverse (21032), we get a palindrome (44044).

It can be divided in two parts, 230 and 12, that added together give a palindrome (242).

The spelling of 23012 in words is "twenty-three thousand, twelve", and thus it is an iban number.

Divisors: 1 2 4 11 22 44 523 1046 2092 5753 11506 23012