Search a number
-
+
123101321211223 is a prime number
BaseRepresentation
bin11011111111010111000010…
…100001011010110101010111
3121010212101000201210010201021
4123333113002201122311113
5112113343001212224343
61113451544413342011
734633530332422435
oct3377270241326527
9533771021703637
10123101321211223
1136250a82640593
1211981a3b497907
13538c5353bcaa4
1422581c8669d55
15e372340b40ed
hex6ff5c285ad57

123101321211223 has 2 divisors, whose sum is σ = 123101321211224. Its totient is φ = 123101321211222.

The previous prime is 123101321211179. The next prime is 123101321211229. The reversal of 123101321211223 is 322112123101321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123101321211223 - 29 = 123101321210711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123101321211229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61550660605611 + 61550660605612.

It is an arithmetic number, because the mean of its divisors is an integer number (61550660605612).

Almost surely, 2123101321211223 is an apocalyptic number.

123101321211223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123101321211223 is an equidigital number, since it uses as much as digits as its factorization.

123101321211223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 123101321211223 its reverse (322112123101321), we get a palindrome (445213444312544).

The spelling of 123101321211223 in words is "one hundred twenty-three trillion, one hundred one billion, three hundred twenty-one million, two hundred eleven thousand, two hundred twenty-three".