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230132123 = 1319931709
BaseRepresentation
bin11011011011110…
…00100110011011
3121001000220220222
431231320212123
5432403211443
634500310255
75463043064
oct1555704633
9531026828
10230132123
111089a3741
12650a238b
13388a7470
14227c756b
151530c468
hexdb7899b

230132123 has 8 divisors (see below), whose sum is σ = 260878800. Its totient is φ = 201248928.

The previous prime is 230132117. The next prime is 230132129. The reversal of 230132123 is 321231032.

It is an interprime number because it is at equal distance from previous prime (230132117) and next prime (230132129).

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 230132123 - 222 = 225937819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230132129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465608 + ... + 466101.

It is an arithmetic number, because the mean of its divisors is an integer number (32609850).

Almost surely, 2230132123 is an apocalyptic number.

230132123 is a deficient number, since it is larger than the sum of its proper divisors (30746677).

230132123 is a wasteful number, since it uses less digits than its factorization.

230132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931741.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 230132123 is about 15170.1062290282. The cubic root of 230132123 is about 612.8098650364.

Adding to 230132123 its reverse (321231032), we get a palindrome (551363155).

The spelling of 230132123 in words is "two hundred thirty million, one hundred thirty-two thousand, one hundred twenty-three".

Divisors: 1 13 19 247 931709 12112217 17702471 230132123