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230023141 = 1774318211
BaseRepresentation
bin11011011010111…
…01111111100101
3121000211101102121
431231131333211
5432341220031
634454105541
75462110255
oct1555357745
9530741377
10230023141
11108929877
126504b2b1
133886998a
1422799965
15152da011
hexdb5dfe5

230023141 has 8 divisors (see below), whose sum is σ = 243895104. Its totient is φ = 216189120.

The previous prime is 230023121. The next prime is 230023151. The reversal of 230023141 is 141320032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230023141 - 25 = 230023109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230023111) 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, 3526 + ... + 21736.

It is an arithmetic number, because the mean of its divisors is an integer number (30486888).

Almost surely, 2230023141 is an apocalyptic number.

It is an amenable number.

230023141 is a deficient number, since it is larger than the sum of its proper divisors (13871963).

230023141 is a wasteful number, since it uses less digits than its factorization.

230023141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18971.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 230023141 is about 15166.5138050905. The cubic root of 230023141 is about 612.7131151217.

Adding to 230023141 its reverse (141320032), we get a palindrome (371343173).

The spelling of 230023141 in words is "two hundred thirty million, twenty-three thousand, one hundred forty-one".

Divisors: 1 17 743 12631 18211 309587 13530773 230023141