64423452 has 24 divisors (see below), whose sum is σ = 158233600. Its totient is φ = 20344176.

The previous prime is 64423439. The next prime is 64423453. The reversal of 64423452 is 25432446.

64423452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×64423452³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64423453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141052 + ... + 141507.

Almost surely, 2^64423452 is an apocalyptic number.

It is an amenable number.

64423452 is an abundant number, since it is smaller than the sum of its proper divisors (93810148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64423452 is a wasteful number, since it uses less digits than its factorization.

64423452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282585 (or 282583 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 64423452 is about 8026.4221169834. The cubic root of 64423452 is about 400.8802531318.

Adding to 64423452 its reverse (25432446), we get a palindrome (89855898).

The spelling of 64423452 in words is "sixty-four million, four hundred twenty-three thousand, four hundred fifty-two".