65940323 has 2 divisors, whose sum is σ = 65940324. Its totient is φ = 65940322.

The previous prime is 65940319. The next prime is 65940353. The reversal of 65940323 is 32304956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65940323 - 2² = 65940319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65940323.

It is not a weakly prime, because it can be changed into another prime (65940353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32970161 + 32970162.

It is an arithmetic number, because the mean of its divisors is an integer number (32970162).

Almost surely, 2^65940323 is an apocalyptic number.

65940323 is a deficient number, since it is larger than the sum of its proper divisors (1).

65940323 is an equidigital number, since it uses as much as digits as its factorization.

65940323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 65940323 is about 8120.3647085584. The cubic root of 65940323 is about 404.0021627666.

The spelling of 65940323 in words is "sixty-five million, nine hundred forty thousand, three hundred twenty-three".