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53423323 = 311723333
BaseRepresentation
bin1100101111001…
…0110011011011
310201112012000121
43023302303123
5102134021243
65145014111
71216043062
oct313626333
9121465017
1053423323
1128179808
1215a84337
13b0b6645
1471491d9
154a541ed
hex32f2cdb

53423323 has 4 divisors (see below), whose sum is σ = 55146688. Its totient is φ = 51699960.

The previous prime is 53423317. The next prime is 53423339. The reversal of 53423323 is 32332435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32332435 = 56466487.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53423323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423303) 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, 861636 + ... + 861697.

It is an arithmetic number, because the mean of its divisors is an integer number (13786672).

Almost surely, 253423323 is an apocalyptic number.

53423323 is a deficient number, since it is larger than the sum of its proper divisors (1723365).

53423323 is a wasteful number, since it uses less digits than its factorization.

53423323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723364.

The product of its digits is 6480, while the sum is 25.

The square root of 53423323 is about 7309.1260079438. The cubic root of 53423323 is about 376.6260013878.

Adding to 53423323 its reverse (32332435), we get a palindrome (85755758).

The spelling of 53423323 in words is "fifty-three million, four hundred twenty-three thousand, three hundred twenty-three".

Divisors: 1 31 1723333 53423323