105305412523 has 2 divisors, whose sum is σ = 105305412524. Its totient is φ = 105305412522.

The previous prime is 105305412497. The next prime is 105305412533. The reversal of 105305412523 is 325214503501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105305412523 - 2²⁵ = 105271858091 is a prime.

It is a super-2 number, since 2×105305412523² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105305412533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52652706261 + 52652706262.

It is an arithmetic number, because the mean of its divisors is an integer number (52652706262).

Almost surely, 2^105305412523 is an apocalyptic number.

105305412523 is a deficient number, since it is larger than the sum of its proper divisors (1).

105305412523 is an equidigital number, since it uses as much as digits as its factorization.

105305412523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 105305412523 in words is "one hundred five billion, three hundred five million, four hundred twelve thousand, five hundred twenty-three".