Search a number
-
+
23321142001 = 166731398737
BaseRepresentation
bin10101101110000011…
…000110001011110001
32020012021211202121001
4111232003012023301
5340230203021001
614414045002001
71453630302433
oct255603061361
966167752531
1023321142001
1199881a4183
12462a253301
132278780111
1411b3406653
159175e8001
hex56e0c62f1

23321142001 has 4 divisors (see below), whose sum is σ = 23322557412. Its totient is φ = 23319726592.

The previous prime is 23321141959. The next prime is 23321142041. The reversal of 23321142001 is 10024112332.

It is a happy number.

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 19548234225 + 3772907776 = 139815^2 + 61424^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321142001 - 217 = 23321010929 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 23321142001.

It is not an unprimeable number, because it can be changed into a prime (23321142041) 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 3 ways as a sum of consecutive naturals, for example, 682696 + ... + 716041.

It is an arithmetic number, because the mean of its divisors is an integer number (5830639353).

Almost surely, 223321142001 is an apocalyptic number.

It is an amenable number.

23321142001 is a deficient number, since it is larger than the sum of its proper divisors (1415411).

23321142001 is a wasteful number, since it uses less digits than its factorization.

23321142001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415410.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23321142001 its reverse (10024112332), we get a palindrome (33345254333).

The spelling of 23321142001 in words is "twenty-three billion, three hundred twenty-one million, one hundred forty-two thousand, one".

Divisors: 1 16673 1398737 23321142001