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383423 = 457839
BaseRepresentation
bin1011101100110111111
3201110221212
41131212333
544232143
612115035
73154565
oct1354677
9643855
10383423
11242087
12165a7b
131056a1
149da35
1578918
hex5d9bf

383423 has 4 divisors (see below), whose sum is σ = 384720. Its totient is φ = 382128.

The previous prime is 383419. The next prime is 383429. The reversal of 383423 is 324383.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 324383 = 2271429.

It is a cyclic number.

It is not a de Polignac number, because 383423 - 22 = 383419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 383423.

It is not an unprimeable number, because it can be changed into a prime (383429) 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, 38 + ... + 876.

It is an arithmetic number, because the mean of its divisors is an integer number (96180).

2383423 is an apocalyptic number.

383423 is a deficient number, since it is larger than the sum of its proper divisors (1297).

383423 is an equidigital number, since it uses as much as digits as its factorization.

383423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296.

The product of its digits is 1728, while the sum is 23.

The square root of 383423 is about 619.2115954987. The cubic root of 383423 is about 72.6483999574.

The spelling of 383423 in words is "three hundred eighty-three thousand, four hundred twenty-three".

Divisors: 1 457 839 383423