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23341421 = 179130399
BaseRepresentation
bin101100100001…
…0100101101101
31121220212102002
41121002211231
521433411141
62152142045
7402253535
oct131024555
947825362
1023341421
11121a2834
127997925
134ab32bc
1431584c5
1520b0e9b
hex164296d

23341421 has 4 divisors (see below), whose sum is σ = 23472000. Its totient is φ = 23210844.

The previous prime is 23341411. The next prime is 23341427. The reversal of 23341421 is 12414332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23341421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23341393 and 23341402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23341427) 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, 65021 + ... + 65378.

It is an arithmetic number, because the mean of its divisors is an integer number (5868000).

Almost surely, 223341421 is an apocalyptic number.

It is an amenable number.

23341421 is a deficient number, since it is larger than the sum of its proper divisors (130579).

23341421 is a wasteful number, since it uses less digits than its factorization.

23341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130578.

The product of its digits is 576, while the sum is 20.

The square root of 23341421 is about 4831.2959959001. The cubic root of 23341421 is about 285.7869743985.

Adding to 23341421 its reverse (12414332), we get a palindrome (35755753).

The spelling of 23341421 in words is "twenty-three million, three hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 179 130399 23341421