63143420 has 12 divisors (see below), whose sum is σ = 132601224. Its totient is φ = 25257360.

The previous prime is 63143417. The next prime is 63143447. The reversal of 63143420 is 2434136.

It is a happy number.

It is a congruent number.

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, 1578566 + ... + 1578605.

It is an arithmetic number, because the mean of its divisors is an integer number (11050102).

Almost surely, 2^63143420 is an apocalyptic number.

It is an amenable number.

63143420 is an abundant number, since it is smaller than the sum of its proper divisors (69457804).

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

63143420 is a wasteful number, since it uses less digits than its factorization.

63143420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157180 (or 3157178 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63143420 is about 7946.2834079839. The cubic root of 63143420 is about 398.2074371292.

Adding to 63143420 its reverse (2434136), we get a palindrome (65577556).

The spelling of 63143420 in words is "sixty-three million, one hundred forty-three thousand, four hundred twenty".