64000023 has 8 divisors (see below), whose sum is σ = 85481088. Its totient is φ = 42592824.

The previous prime is 63999979. The next prime is 64000031. The reversal of 64000023 is 32000046.

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

It is not a de Polignac number, because 64000023 - 2⁹ = 63999511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63999966 and 64000011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64000043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16411 + ... + 19932.

It is an arithmetic number, because the mean of its divisors is an integer number (10685136).

Almost surely, 2^64000023 is an apocalyptic number.

64000023 is a deficient number, since it is larger than the sum of its proper divisors (21481065).

64000023 is a wasteful number, since it uses less digits than its factorization.

64000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36933.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 64000023 is about 8000.0014374999. The cubic root of 64000023 is about 400.0000479167. Note that the first 4 decimals are identical.

Adding to 64000023 its reverse (32000046), we get a palindrome (96000069).

The spelling of 64000023 in words is "sixty-four million, twenty-three", and thus it is an aban number.