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23243205001 = 171971960387
BaseRepresentation
bin10101101001011001…
…110010100110001001
32012222212012011010111
4111221121302212021
5340100230030001
614402222314321
71451662661032
oct255131624611
965885164114
1023243205001
119948201a35
1246081289a1
132265592a53
1411a6d19a89
15910850851
hex569672989

23243205001 has 8 divisors (see below), whose sum is σ = 25905739680. Its totient is φ = 20724591168.

The previous prime is 23243204989. The next prime is 23243205049. The reversal of 23243205001 is 10050234232.

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 23243205001 - 233 = 14653270409 is a prime.

It is a super-2 number, since 2×232432050012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23243205091) 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, 35979871 + ... + 35980516.

It is an arithmetic number, because the mean of its divisors is an integer number (3238217460).

Almost surely, 223243205001 is an apocalyptic number.

It is an amenable number.

23243205001 is a deficient number, since it is larger than the sum of its proper divisors (2662534679).

23243205001 is a wasteful number, since it uses less digits than its factorization.

23243205001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71960423.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 23243205001 its reverse (10050234232), we get a palindrome (33293439233).

The spelling of 23243205001 in words is "twenty-three billion, two hundred forty-three million, two hundred five thousand, one".

Divisors: 1 17 19 323 71960387 1223326579 1367247353 23243205001