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12010023 = 3210211307
BaseRepresentation
bin101101110100…
…001000100111
3211121011122200
4231310020213
511033310043
61105225543
7204040434
oct55641047
924534580
1012010023
116863343
1240322b3
13264672c
141848b8b
1510c37d3
hexb74227

12010023 has 12 divisors (see below), whose sum is σ = 17378088. Its totient is φ = 7992720.

The previous prime is 12010021. The next prime is 12010027. The reversal of 12010023 is 32001021.

It is a happy number.

12010023 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12010023 - 21 = 12010021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12009987 and 12010014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8536 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (1448174).

Almost surely, 212010023 is an apocalyptic number.

12010023 is a deficient number, since it is larger than the sum of its proper divisors (5368065).

12010023 is a wasteful number, since it uses less digits than its factorization.

12010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12010023 is about 3465.5480086128. The cubic root of 12010023 is about 229.0065722769.

Adding to 12010023 its reverse (32001021), we get a palindrome (44011044).

The spelling of 12010023 in words is "twelve million, ten thousand, twenty-three".