41723309 has 4 divisors (see below), whose sum is σ = 42851004. Its totient is φ = 40595616.

The previous prime is 41723291. The next prime is 41723327. The reversal of 41723309 is 90332714.

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

It is an interprime number because it is at equal distance from previous prime (41723291) and next prime (41723327).

It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 1755625 = 6322^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 41723309 - 2⁸ = 41723053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41720309) 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, 563792 + ... + 563865.

It is an arithmetic number, because the mean of its divisors is an integer number (10712751).

Almost surely, 2^41723309 is an apocalyptic number.

It is an amenable number.

41723309 is a deficient number, since it is larger than the sum of its proper divisors (1127695).

41723309 is a wasteful number, since it uses less digits than its factorization.

41723309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127694.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 41723309 is about 6459.3582498573. The cubic root of 41723309 is about 346.8376604452.

The spelling of 41723309 in words is "forty-one million, seven hundred twenty-three thousand, three hundred nine".