65038723 has 2 divisors, whose sum is σ = 65038724. Its totient is φ = 65038722.

The previous prime is 65038703. The next prime is 65038739. The reversal of 65038723 is 32783056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65038723 - 2¹³ = 65030531 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (65038703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32519361 + 32519362.

It is an arithmetic number, because the mean of its divisors is an integer number (32519362).

Almost surely, 2^65038723 is an apocalyptic number.

65038723 is a deficient number, since it is larger than the sum of its proper divisors (1).

65038723 is an equidigital number, since it uses as much as digits as its factorization.

65038723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 65038723 is about 8064.6588892525. The cubic root of 65038723 is about 402.1524033748.

The spelling of 65038723 in words is "sixty-five million, thirty-eight thousand, seven hundred twenty-three".