523442064 has 20 divisors (see below), whose sum is σ = 1352225456. Its totient is φ = 174480672.

The previous prime is 523442011. The next prime is 523442093. The reversal of 523442064 is 460244325.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5452474 + ... + 5452569.

Almost surely, 2^523442064 is an apocalyptic number.

It is an amenable number.

523442064 is an abundant number, since it is smaller than the sum of its proper divisors (828783392).

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

523442064 is a wasteful number, since it uses less digits than its factorization.

523442064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905054 (or 10905048 counting only the distinct ones).

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

The square root of 523442064 is about 22878.8562651195. The cubic root of 523442064 is about 805.9155582302.

Adding to 523442064 its reverse (460244325), we get a palindrome (983686389).

The spelling of 523442064 in words is "five hundred twenty-three million, four hundred forty-two thousand, sixty-four".