2123713 has 4 divisors (see below), whose sum is σ = 2126848. Its totient is φ = 2120580.

The previous prime is 2123707. The next prime is 2123731. The reversal of 2123713 is 3173212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2123713 - 2²¹ = 26561 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 2¹⁹ + 3⁷ + 7⁴ + 1 + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123743) 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, 81 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (531712).

2^2123713 is an apocalyptic number.

It is an amenable number.

2123713 is a deficient number, since it is larger than the sum of its proper divisors (3135).

2123713 is an equidigital number, since it uses as much as digits as its factorization.

2123713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134.

The product of its digits is 252, while the sum is 19.

The square root of 2123713 is about 1457.2964694941. The cubic root of 2123713 is about 128.5381194724.

Adding to 2123713 its reverse (3173212), we get a palindrome (5296925).

The spelling of 2123713 in words is "two million, one hundred twenty-three thousand, seven hundred thirteen".