65393123 has 2 divisors, whose sum is σ = 65393124. Its totient is φ = 65393122.

The previous prime is 65393087. The next prime is 65393137. The reversal of 65393123 is 32139356.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65393123 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65393123.

It is not a weakly prime, because it can be changed into another prime (65393143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32696561 + 32696562.

It is an arithmetic number, because the mean of its divisors is an integer number (32696562).

Almost surely, 2^65393123 is an apocalyptic number.

65393123 is a deficient number, since it is larger than the sum of its proper divisors (1).

65393123 is an equidigital number, since it uses as much as digits as its factorization.

65393123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 32.

The square root of 65393123 is about 8086.6014493111. The cubic root of 65393123 is about 402.8815316755.

The spelling of 65393123 in words is "sixty-five million, three hundred ninety-three thousand, one hundred twenty-three".