105273723 has 4 divisors (see below), whose sum is σ = 140364968. Its totient is φ = 70182480.

The previous prime is 105273709. The next prime is 105273757. The reversal of 105273723 is 327372501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105273723 - 2¹⁷ = 105142651 is a prime.

It is a super-2 number, since 2×105273723² = 22165113508561458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105274723) 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, 17545618 + ... + 17545623.

It is an arithmetic number, because the mean of its divisors is an integer number (35091242).

Almost surely, 2^105273723 is an apocalyptic number.

105273723 is a deficient number, since it is larger than the sum of its proper divisors (35091245).

105273723 is an equidigital number, since it uses as much as digits as its factorization.

105273723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35091244.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 105273723 is about 10260.2983874739. The cubic root of 105273723 is about 472.1789919508.

The spelling of 105273723 in words is "one hundred five million, two hundred seventy-three thousand, seven hundred twenty-three".