65233943 has 2 divisors, whose sum is σ = 65233944. Its totient is φ = 65233942.

The previous prime is 65233921. The next prime is 65233969. The reversal of 65233943 is 34933256.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65233943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65233843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32616971 + 32616972.

It is an arithmetic number, because the mean of its divisors is an integer number (32616972).

Almost surely, 2^65233943 is an apocalyptic number.

65233943 is a deficient number, since it is larger than the sum of its proper divisors (1).

65233943 is an equidigital number, since it uses as much as digits as its factorization.

65233943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 35.

The square root of 65233943 is about 8076.7532461999. The cubic root of 65233943 is about 402.5543678729.

The spelling of 65233943 in words is "sixty-five million, two hundred thirty-three thousand, nine hundred forty-three".