63323140 has 24 divisors (see below), whose sum is σ = 138761280. Its totient is φ = 24227808.

The previous prime is 63323131. The next prime is 63323159. The reversal of 63323140 is 4132336.

It is an unprimeable number.

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, 68370 + ... + 69289.

It is an arithmetic number, because the mean of its divisors is an integer number (5781720).

Almost surely, 2^63323140 is an apocalyptic number.

It is an amenable number.

63323140 is an abundant number, since it is smaller than the sum of its proper divisors (75438140).

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

63323140 is a wasteful number, since it uses less digits than its factorization.

63323140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137691 (or 137689 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 63323140 is about 7957.5838041456. The cubic root of 63323140 is about 398.5848744532.

Adding to 63323140 its reverse (4132336), we get a palindrome (67455476).

The spelling of 63323140 in words is "sixty-three million, three hundred twenty-three thousand, one hundred forty".