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230123423 = 593900397
BaseRepresentation
bin11011011011101…
…10011110011111
3121001000110222202
431231312132133
5432402422143
634500202115
75463005525
oct1555663637
9531013882
10230123423
11108998152
126509933b
13388a350a
14227c4315
1515309ab8
hexdb7679f

230123423 has 4 divisors (see below), whose sum is σ = 234023880. Its totient is φ = 226222968.

The previous prime is 230123419. The next prime is 230123449. The reversal of 230123423 is 324321032.

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 230123423 - 22 = 230123419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230123395 and 230123404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230123623) 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, 1950140 + ... + 1950257.

It is an arithmetic number, because the mean of its divisors is an integer number (58505970).

Almost surely, 2230123423 is an apocalyptic number.

230123423 is a deficient number, since it is larger than the sum of its proper divisors (3900457).

230123423 is an equidigital number, since it uses as much as digits as its factorization.

230123423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900456.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 230123423 is about 15169.8194781612. The cubic root of 230123423 is about 612.8021426421.

Adding to 230123423 its reverse (324321032), we get a palindrome (554444455).

It can be divided in two parts, 23012 and 3423, that multiplied together give a triangular number (78770076 = T12551).

The spelling of 230123423 in words is "two hundred thirty million, one hundred twenty-three thousand, four hundred twenty-three".

Divisors: 1 59 3900397 230123423