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23034421 is a prime number
BaseRepresentation
bin101011111011…
…1101000110101
31121100021021201
41113313220311
521344100141
62141412501
7366534514
oct127675065
947307251
1023034421
1112003113
12786a131
134a06647
1430b867b
152050031
hex15f7a35

23034421 has 2 divisors, whose sum is σ = 23034422. Its totient is φ = 23034420.

The previous prime is 23034419. The next prime is 23034437. The reversal of 23034421 is 12443032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13950225 + 9084196 = 3735^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 23034421 - 21 = 23034419 is a prime.

Together with 23034419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23034481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11517210 + 11517211.

It is an arithmetic number, because the mean of its divisors is an integer number (11517211).

Almost surely, 223034421 is an apocalyptic number.

It is an amenable number.

23034421 is a deficient number, since it is larger than the sum of its proper divisors (1).

23034421 is an equidigital number, since it uses as much as digits as its factorization.

23034421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23034421 is about 4799.4188189821. The cubic root of 23034421 is about 284.5284950193.

Adding to 23034421 its reverse (12443032), we get a palindrome (35477453).

It can be divided in two parts, 2303 and 4421, that added together give a square (6724 = 822).

The spelling of 23034421 in words is "twenty-three million, thirty-four thousand, four hundred twenty-one".