63454523 has 16 divisors (see below), whose sum is σ = 75828960. Its totient is φ = 52416000.

The previous prime is 63454507. The next prime is 63454529. The reversal of 63454523 is 32545436.

It is a cyclic number.

It is not a de Polignac number, because 63454523 - 2⁴ = 63454507 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63454523.

It is not an unprimeable number, because it can be changed into a prime (63454529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (4739310).

Almost surely, 2^63454523 is an apocalyptic number.

63454523 is a deficient number, since it is larger than the sum of its proper divisors (12374437).

63454523 is a wasteful number, since it uses less digits than its factorization.

63454523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11758.

The product of its digits is 43200, while the sum is 32.

The square root of 63454523 is about 7965.8347334099. The cubic root of 63454523 is about 398.8603456369.

Adding to 63454523 its reverse (32545436), we get a palindrome (95999959).

The spelling of 63454523 in words is "sixty-three million, four hundred fifty-four thousand, five hundred twenty-three".