Search a number
-
+
23243421041 = 227171023173
BaseRepresentation
bin10101101001011010…
…100111010101110001
32012222212121010110222
4111221122213111301
5340100303433131
614402231102425
71451664550631
oct255132472561
965885533428
1023243421041
11994833a285
124608211a15
13226563a199
1411a6d746c1
1591089487b
hex5696a7571

23243421041 has 4 divisors (see below), whose sum is σ = 23244466932. Its totient is φ = 23242375152.

The previous prime is 23243421023. The next prime is 23243421049. The reversal of 23243421041 is 14012434232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12732865600 + 10510555441 = 112840^2 + 102521^2 .

It is a cyclic number.

It is not a de Polignac number, because 23243421041 - 222 = 23239226737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23243421041.

It is not an unprimeable number, because it can be changed into a prime (23243421049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488870 + ... + 534303.

It is an arithmetic number, because the mean of its divisors is an integer number (5811116733).

Almost surely, 223243421041 is an apocalyptic number.

It is an amenable number.

23243421041 is a deficient number, since it is larger than the sum of its proper divisors (1045891).

23243421041 is a wasteful number, since it uses less digits than its factorization.

23243421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045890.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23243421041 its reverse (14012434232), we get a palindrome (37255855273).

The spelling of 23243421041 in words is "twenty-three billion, two hundred forty-three million, four hundred twenty-one thousand, forty-one".

Divisors: 1 22717 1023173 23243421041