105323513 has 4 divisors (see below), whose sum is σ = 106152960. Its totient is φ = 104494068.

The previous prime is 105323501. The next prime is 105323521. The reversal of 105323513 is 315323501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105323513 is a prime.

It is a super-2 number, since 2×105323513² = 22186084781322338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105322513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414533 + ... + 414786.

It is an arithmetic number, because the mean of its divisors is an integer number (26538240).

Almost surely, 2^105323513 is an apocalyptic number.

It is an amenable number.

105323513 is a deficient number, since it is larger than the sum of its proper divisors (829447).

105323513 is an equidigital number, since it uses as much as digits as its factorization.

105323513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829446.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 105323513 is about 10262.7244433435. The cubic root of 105323513 is about 472.2534204214.

The spelling of 105323513 in words is "one hundred five million, three hundred twenty-three thousand, five hundred thirteen".