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23385141 = 3213199873
BaseRepresentation
bin101100100110…
…1010000110101
31122000002101100
41121031100311
521441311031
62153120313
7402525153
oct131152065
948002340
1023385141
111222266a
1279b9099
134aca180
14316a3d3
1520bdde6
hex164d435

23385141 has 12 divisors (see below), whose sum is σ = 36377068. Its totient is φ = 14390784.

The previous prime is 23385119. The next prime is 23385151. The reversal of 23385141 is 14158332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15800625 + 7584516 = 3975^2 + 2754^2 .

It is not a de Polignac number, because 23385141 - 213 = 23376949 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23385151) 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, 99820 + ... + 100053.

Almost surely, 223385141 is an apocalyptic number.

It is an amenable number.

23385141 is a deficient number, since it is larger than the sum of its proper divisors (12991927).

23385141 is a wasteful number, since it uses less digits than its factorization.

23385141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199892 (or 199889 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 23385141 is about 4835.8185449828. The cubic root of 23385141 is about 285.9652956407.

The spelling of 23385141 in words is "twenty-three million, three hundred eighty-five thousand, one hundred forty-one".

Divisors: 1 3 9 13 39 117 199873 599619 1798857 2598349 7795047 23385141