65723413 has 16 divisors (see below), whose sum is σ = 80371840. Its totient is φ = 52488000.

The previous prime is 65723407. The next prime is 65723419. The reversal of 65723413 is 31432756.

It is an interprime number because it is at equal distance from previous prime (65723407) and next prime (65723419).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65723413 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 (65723419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4063 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (5023240).

Almost surely, 2^65723413 is an apocalyptic number.

It is an amenable number.

65723413 is a deficient number, since it is larger than the sum of its proper divisors (14648427).

65723413 is a wasteful number, since it uses less digits than its factorization.

65723413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188.

The product of its digits is 15120, while the sum is 31.

The square root of 65723413 is about 8106.9977796963. The cubic root of 65723413 is about 403.5586891861.

The spelling of 65723413 in words is "sixty-five million, seven hundred twenty-three thousand, four hundred thirteen".