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130423113421 is a prime number
BaseRepresentation
bin111100101110111010…
…0101100011011001101
3110110122102002122010021
41321131310230123031
54114101304112141
6135525431542141
712265002113116
oct1713564543315
9413572078107
10130423113421
11503484a1547
122133a52a951
13c3b67496c3
14645376920d
1535d50906d1
hex1e5dd2c6cd

130423113421 has 2 divisors, whose sum is σ = 130423113422. Its totient is φ = 130423113420.

The previous prime is 130423113397. The next prime is 130423113463. The reversal of 130423113421 is 124311324031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115286732521 + 15136380900 = 339539^2 + 123030^2 .

It is an emirp because it is prime and its reverse (124311324031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130423113421 - 229 = 129886242509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130423117421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65211556710 + 65211556711.

It is an arithmetic number, because the mean of its divisors is an integer number (65211556711).

Almost surely, 2130423113421 is an apocalyptic number.

It is an amenable number.

130423113421 is a deficient number, since it is larger than the sum of its proper divisors (1).

130423113421 is an equidigital number, since it uses as much as digits as its factorization.

130423113421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 130423113421 its reverse (124311324031), we get a palindrome (254734437452).

The spelling of 130423113421 in words is "one hundred thirty billion, four hundred twenty-three million, one hundred thirteen thousand, four hundred twenty-one".