2061723 has 6 divisors (see below), whose sum is σ = 2752284. Its totient is φ = 1372824.

The previous prime is 2061691. The next prime is 2061733. The reversal of 2061723 is 3271602.

It is a happy number.

It is not a de Polignac number, because 2061723 - 2⁵ = 2061691 is a prime.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 2061723.

It is not an unprimeable number, because it can be changed into a prime (2061733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2073 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (458714).

2^2061723 is an apocalyptic number.

2061723 is a deficient number, since it is larger than the sum of its proper divisors (690561).

2061723 is an frugal number, since it uses more digits than its factorization.

2061723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2061723 is about 1435.8701194746. The cubic root of 2061723 is about 127.2750975594.

The spelling of 2061723 in words is "two million, sixty-one thousand, seven hundred twenty-three".