105340523 has 4 divisors (see below), whose sum is σ = 105496800. Its totient is φ = 105184248.

The previous prime is 105340519. The next prime is 105340553. The reversal of 105340523 is 325043501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325043501 = 4243 ⋅76607.

It is a cyclic number.

It is not a de Polignac number, because 105340523 - 2² = 105340519 is a prime.

It is a super-2 number, since 2×105340523² = 22193251571827058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105340513) 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, 77123 + ... + 78476.

It is an arithmetic number, because the mean of its divisors is an integer number (26374200).

Almost surely, 2^105340523 is an apocalyptic number.

105340523 is a deficient number, since it is larger than the sum of its proper divisors (156277).

105340523 is an equidigital number, since it uses as much as digits as its factorization.

105340523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156276.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 105340523 is about 10263.5531371938. The cubic root of 105340523 is about 472.2788424063.

The spelling of 105340523 in words is "one hundred five million, three hundred forty thousand, five hundred twenty-three".