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123013203135241 is a prime number
BaseRepresentation
bin11011111110000100111110…
…010001101000101100001001
3121010112221120122002002000111
4123332010332101220230021
5112110422020000311431
61113343252501234321
734624260564222016
oct3376047621505411
9533487518062014
10123013203135241
1136217674249901
1211968948a029a1
135384131442923
142253c2968c70d
15e34cc80747b1
hex6fe13e468b09

123013203135241 has 2 divisors, whose sum is σ = 123013203135242. Its totient is φ = 123013203135240.

The previous prime is 123013203135223. The next prime is 123013203135247. The reversal of 123013203135241 is 142531302310321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119130348649225 + 3882854486016 = 10914685^2 + 1970496^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013203135241 - 25 = 123013203135209 is a prime.

It is a super-2 number, since 2×1230132031352412 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123013203135247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506601567620 + 61506601567621.

It is an arithmetic number, because the mean of its divisors is an integer number (61506601567621).

Almost surely, 2123013203135241 is an apocalyptic number.

It is an amenable number.

123013203135241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013203135241 is an equidigital number, since it uses as much as digits as its factorization.

123013203135241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 123013203135241 its reverse (142531302310321), we get a palindrome (265544505445562).

The spelling of 123013203135241 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred thirty-five thousand, two hundred forty-one".