64662323 has 8 divisors (see below), whose sum is σ = 70625280. Its totient is φ = 58713480.

The previous prime is 64662319. The next prime is 64662331. The reversal of 64662323 is 32326646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64662323 - 2² = 64662319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64662323.

It is not an unprimeable number, because it can be changed into a prime (64662823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7598 + ... + 13676.

It is an arithmetic number, because the mean of its divisors is an integer number (8828160).

Almost surely, 2^64662323 is an apocalyptic number.

64662323 is a deficient number, since it is larger than the sum of its proper divisors (5962957).

64662323 is a wasteful number, since it uses less digits than its factorization.

64662323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057.

The product of its digits is 31104, while the sum is 32.

The square root of 64662323 is about 8041.2886405103. The cubic root of 64662323 is about 401.3751068690.

Adding to 64662323 its reverse (32326646), we get a palindrome (96988969).

It can be divided in two parts, 646623 and 23, that added together give a palindrome (646646).

The spelling of 64662323 in words is "sixty-four million, six hundred sixty-two thousand, three hundred twenty-three".