63523478 has 4 divisors (see below), whose sum is σ = 95285220. Its totient is φ = 31761738.

The previous prime is 63523477. The next prime is 63523501. The reversal of 63523478 is 87432536.

63523478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63523477) 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 as a sum of consecutive naturals, namely, 15880868 + ... + 15880871.

It is an arithmetic number, because the mean of its divisors is an integer number (23821305).

Almost surely, 2^63523478 is an apocalyptic number.

63523478 is a deficient number, since it is larger than the sum of its proper divisors (31761742).

63523478 is a wasteful number, since it uses less digits than its factorization.

63523478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31761741.

The product of its digits is 120960, while the sum is 38.

The square root of 63523478 is about 7970.1617298522. The cubic root of 63523478 is about 399.0047716885.

It can be divided in two parts, 635 and 23478, that multiplied together give a triangular number (14908530 = T₅₄₆₀).

The spelling of 63523478 in words is "sixty-three million, five hundred twenty-three thousand, four hundred seventy-eight".