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23421212341 = 172713507821
BaseRepresentation
bin10101110100000000…
…110101011010110101
32020110021010212021221
4111310000311122311
5340431312243331
614432021510341
71456254006622
oct256400653265
966407125257
1023421212341
119a2973353a
1246578723b1
132293419937
1411c2815349
159212b3711
hex5740356b5

23421212341 has 8 divisors (see below), whose sum is σ = 24808120344. Its totient is φ = 22035325440.

The previous prime is 23421212329. The next prime is 23421212357. The reversal of 23421212341 is 14321212432.

It can be written as a sum of positive squares in 4 ways, for example, as 20063589316 + 3357623025 = 141646^2 + 57945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23421212341 - 221 = 23419115189 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 (23421212141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207790 + ... + 300031.

It is an arithmetic number, because the mean of its divisors is an integer number (3101015043).

Almost surely, 223421212341 is an apocalyptic number.

It is an amenable number.

23421212341 is a deficient number, since it is larger than the sum of its proper divisors (1386908003).

23421212341 is a wasteful number, since it uses less digits than its factorization.

23421212341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510551.

The product of its digits is 2304, while the sum is 25.

Adding to 23421212341 its reverse (14321212432), we get a palindrome (37742424773).

Subtracting from 23421212341 its reverse (14321212432), we obtain a palindrome (9099999909).

The spelling of 23421212341 in words is "twenty-three billion, four hundred twenty-one million, two hundred twelve thousand, three hundred forty-one".

Divisors: 1 17 2713 46121 507821 8632957 1377718373 23421212341