64202323 has 4 divisors (see below), whose sum is σ = 64231920. Its totient is φ = 64172728.

The previous prime is 64202297. The next prime is 64202371. The reversal of 64202323 is 32320246.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64202323 - 2⁵ = 64202291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64202294 and 64202303.

It is not an unprimeable number, because it can be changed into a prime (64202923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11263 + ... + 15976.

It is an arithmetic number, because the mean of its divisors is an integer number (16057980).

Almost surely, 2^64202323 is an apocalyptic number.

64202323 is a deficient number, since it is larger than the sum of its proper divisors (29597).

64202323 is a wasteful number, since it uses less digits than its factorization.

64202323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29596.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 64202323 is about 8012.6352094676. The cubic root of 64202323 is about 400.4210628596.

Adding to 64202323 its reverse (32320246), we get a palindrome (96522569).

The spelling of 64202323 in words is "sixty-four million, two hundred two thousand, three hundred twenty-three".