64481023 has 8 divisors (see below), whose sum is σ = 66660480. Its totient is φ = 62307840.

The previous prime is 64481009. The next prime is 64481033. The reversal of 64481023 is 32018446.

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 64481023 - 2¹³ = 64472831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64480982 and 64481000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64481033) 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, 29223 + ... + 31351.

It is an arithmetic number, because the mean of its divisors is an integer number (8332560).

Almost surely, 2^64481023 is an apocalyptic number.

64481023 is a deficient number, since it is larger than the sum of its proper divisors (2179457).

64481023 is a wasteful number, since it uses less digits than its factorization.

64481023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 64481023 is about 8030.0076587759. The cubic root of 64481023 is about 400.9996310136. Note that the first 3 decimals are identical.

Adding to 64481023 its reverse (32018446), we get a palindrome (96499469).

The spelling of 64481023 in words is "sixty-four million, four hundred eighty-one thousand, twenty-three".