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23530343 = 174713469
BaseRepresentation
bin101100111000…
…0101101100111
31122021110120012
41121300231213
522010432333
62200200435
7404001404
oct131605547
948243505
1023530343
1112311771
127a6911b
134b4b2a5
1431a72ab
1520ebe48
hex1670b67

23530343 has 4 divisors (see below), whose sum is σ = 23545560. Its totient is φ = 23515128.

The previous prime is 23530327. The next prime is 23530349. The reversal of 23530343 is 34303532.

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 23530343 - 24 = 23530327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530349) 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, 4988 + ... + 8481.

It is an arithmetic number, because the mean of its divisors is an integer number (5886390).

Almost surely, 223530343 is an apocalyptic number.

23530343 is a deficient number, since it is larger than the sum of its proper divisors (15217).

23530343 is a wasteful number, since it uses less digits than its factorization.

23530343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15216.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 23530343 is about 4850.8084893139. The cubic root of 23530343 is about 286.5559426062. Note that the first 3 decimals are identical.

Adding to 23530343 its reverse (34303532), we get a palindrome (57833875).

The spelling of 23530343 in words is "twenty-three million, five hundred thirty thousand, three hundred forty-three".

Divisors: 1 1747 13469 23530343