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153423 = 3217047
BaseRepresentation
bin100101011101001111
321210110100
4211131033
514402143
63142143
71206204
oct453517
9253410
10153423
11a52a6
1274953
1354aaa
143dcab
15306d3
hex2574f

153423 has 6 divisors (see below), whose sum is σ = 221624. Its totient is φ = 102276.

The previous prime is 153421. The next prime is 153427. The reversal of 153423 is 324351.

It is not a de Polignac number, because 153423 - 21 = 153421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153396 and 153405.

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 153423.

It is not an unprimeable number, because it can be changed into a prime (153421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8515 + ... + 8532.

2153423 is an apocalyptic number.

153423 is a deficient number, since it is larger than the sum of its proper divisors (68201).

153423 is a wasteful number, since it uses less digits than its factorization.

153423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17053 (or 17050 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 153423 is about 391.6924814188. The cubic root of 153423 is about 53.5340569831.

Adding to 153423 its reverse (324351), we get a palindrome (477774).

It can be divided in two parts, 153 and 423, that added together give a square (576 = 242).

The spelling of 153423 in words is "one hundred fifty-three thousand, four hundred twenty-three".

Divisors: 1 3 9 17047 51141 153423