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230120012123 = 972372371259
BaseRepresentation
bin1101011001010000111…
…0001011100101011011
3210222222110101211112222
43112110032023211123
512232241210341443
6253414330254255
722424405554301
oct3262416134533
9728873354488
10230120012123
1189658825101
123872288738b
1318914513861
14b1d044a271
155ebc8a7468
hex359438b95b

230120012123 has 4 divisors (see below), whose sum is σ = 232492383480. Its totient is φ = 227747640768.

The previous prime is 230120012071. The next prime is 230120012131. The reversal of 230120012123 is 321210021032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230120012123 - 226 = 230052903259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230120012923) 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, 1186185533 + ... + 1186185726.

It is an arithmetic number, because the mean of its divisors is an integer number (58123095870).

Almost surely, 2230120012123 is an apocalyptic number.

230120012123 is a deficient number, since it is larger than the sum of its proper divisors (2372371357).

230120012123 is an equidigital number, since it uses as much as digits as its factorization.

230120012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372371356.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 230120012123 its reverse (321210021032), we get a palindrome (551330033155).

The spelling of 230120012123 in words is "two hundred thirty billion, one hundred twenty million, twelve thousand, one hundred twenty-three".

Divisors: 1 97 2372371259 230120012123