64315023 has 8 divisors (see below), whose sum is σ = 87371568. Its totient is φ = 42067584.

The previous prime is 64315007. The next prime is 64315037. The reversal of 64315023 is 32051346.

It is a happy number.

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

It is not a de Polignac number, because 64315023 - 2⁴ = 64315007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64314984 and 64315002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64315093) 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 in 7 ways as a sum of consecutive naturals, for example, 202090 + ... + 202407.

It is an arithmetic number, because the mean of its divisors is an integer number (10921446).

Almost surely, 2^64315023 is an apocalyptic number.

64315023 is a deficient number, since it is larger than the sum of its proper divisors (23056545).

64315023 is a wasteful number, since it uses less digits than its factorization.

64315023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404553.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 64315023 is about 8019.6647685549. The cubic root of 64315023 is about 400.6552240343.

Adding to 64315023 its reverse (32051346), we get a palindrome (96366369).

The spelling of 64315023 in words is "sixty-four million, three hundred fifteen thousand, twenty-three".