65850723923 has 2 divisors, whose sum is σ = 65850723924. Its totient is φ = 65850723922.

The previous prime is 65850723901. The next prime is 65850723941. The reversal of 65850723923 is 32932705856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65850723923 - 2⁸ = 65850723667 is a prime.

It is not a weakly prime, because it can be changed into another prime (65850723943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32925361961 + 32925361962.

It is an arithmetic number, because the mean of its divisors is an integer number (32925361962).

Almost surely, 2^65850723923 is an apocalyptic number.

65850723923 is a deficient number, since it is larger than the sum of its proper divisors (1).

65850723923 is an equidigital number, since it uses as much as digits as its factorization.

65850723923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 65850723923 in words is "sixty-five billion, eight hundred fifty million, seven hundred twenty-three thousand, nine hundred twenty-three".