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312423 = 3223467
BaseRepresentation
bin1001100010001100111
3120212120020
41030101213
534444143
610410223
72440566
oct1142147
9525506
10312423
111a3801
12130973
13ac287
1481bdd
1562883
hex4c467

312423 has 8 divisors (see below), whose sum is σ = 419328. Its totient is φ = 206904.

The previous prime is 312413. The next prime is 312427. The reversal of 312423 is 324213.

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

It is not a de Polignac number, because 312423 - 24 = 312407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312427) 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, 436 + ... + 902.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2312423 is an apocalyptic number.

312423 is a deficient number, since it is larger than the sum of its proper divisors (106905).

312423 is a wasteful number, since it uses less digits than its factorization.

312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 144, while the sum is 15.

The square root of 312423 is about 558.9481192383. The cubic root of 312423 is about 67.8548663529.

Adding to 312423 its reverse (324213), we get a palindrome (636636).

The spelling of 312423 in words is "three hundred twelve thousand, four hundred twenty-three", and thus it is an iban number.

Divisors: 1 3 223 467 669 1401 104141 312423