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234001423 = 317548433
BaseRepresentation
bin11011111001010…
…01010000001111
3121022022111121101
431330221100033
5434401021143
635115243531
75540656615
oct1574512017
9538274541
10234001423
111100a6807
12664495a7
13396306a6
14231136b5
1515823b4d
hexdf2940f

234001423 has 4 divisors (see below), whose sum is σ = 241549888. Its totient is φ = 226452960.

The previous prime is 234001421. The next prime is 234001433. The reversal of 234001423 is 324100432.

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 234001423 - 21 = 234001421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234001423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234001421) 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, 3774186 + ... + 3774247.

It is an arithmetic number, because the mean of its divisors is an integer number (60387472).

Almost surely, 2234001423 is an apocalyptic number.

234001423 is a deficient number, since it is larger than the sum of its proper divisors (7548465).

234001423 is an equidigital number, since it uses as much as digits as its factorization.

234001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548464.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 234001423 is about 15297.1050529177. The cubic root of 234001423 is about 616.2252638988.

Adding to 234001423 its reverse (324100432), we get a palindrome (558101855).

Subtracting 234001423 from its reverse (324100432), we obtain a palindrome (90099009).

The spelling of 234001423 in words is "two hundred thirty-four million, one thousand, four hundred twenty-three".

Divisors: 1 31 7548433 234001423