Search a number
-
+
23214187643 is a prime number
BaseRepresentation
bin10101100111101011…
…000110010001111011
32012220211120220210112
4111213223012101323
5340020313001033
614355304334535
71451161224233
oct254753062173
965824526715
1023214187643
119932892849
1245ba47444b
13225c57310a
1411a3124cc3
1590d01cc48
hex567ac647b

23214187643 has 2 divisors, whose sum is σ = 23214187644. Its totient is φ = 23214187642.

The previous prime is 23214187603. The next prime is 23214187651. The reversal of 23214187643 is 34678141232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23214187643 - 28 = 23214187387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23214187643.

It is not a weakly prime, because it can be changed into another prime (23214187603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607093821 + 11607093822.

It is an arithmetic number, because the mean of its divisors is an integer number (11607093822).

Almost surely, 223214187643 is an apocalyptic number.

23214187643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23214187643 is an equidigital number, since it uses as much as digits as its factorization.

23214187643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The spelling of 23214187643 in words is "twenty-three billion, two hundred fourteen million, one hundred eighty-seven thousand, six hundred forty-three".