10709823 has 4 divisors (see below), whose sum is σ = 14279768. Its totient is φ = 7139880.

The previous prime is 10709821. The next prime is 10709827. The reversal of 10709823 is 32890701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32890701 = 3 ⋅10963567.

It is not a de Polignac number, because 10709823 - 2¹ = 10709821 is a prime.

It is a super-2 number, since 2×10709823² = 229400617382658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10709821) 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, 1784968 + ... + 1784973.

It is an arithmetic number, because the mean of its divisors is an integer number (3569942).

Almost surely, 2^10709823 is an apocalyptic number.

10709823 is a deficient number, since it is larger than the sum of its proper divisors (3569945).

10709823 is an equidigital number, since it uses as much as digits as its factorization.

10709823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569944.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 10709823 is about 3272.5865916733. The cubic root of 10709823 is about 220.4249568524.

The spelling of 10709823 in words is "ten million, seven hundred nine thousand, eight hundred twenty-three".