65464623 has 24 divisors (see below), whose sum is σ = 108684576. Its totient is φ = 37195200.

The previous prime is 65464613. The next prime is 65464631. The reversal of 65464623 is 32646456.

65464623 is a `hidden beast` number, since 6 + 5 + 4 + 646 + 2 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-65464623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65464613) 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 23 ways as a sum of consecutive naturals, for example, 8533 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (4528524).

Almost surely, 2^65464623 is an apocalyptic number.

65464623 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

65464623 is a deficient number, since it is larger than the sum of its proper divisors (43219953).

65464623 is a wasteful number, since it uses less digits than its factorization.

65464623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935 (or 5932 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 65464623 is about 8091.0211345664. The cubic root of 65464623 is about 403.0283133545.

The spelling of 65464623 in words is "sixty-five million, four hundred sixty-four thousand, six hundred twenty-three".