63345423 has 4 divisors (see below), whose sum is σ = 84460568. Its totient is φ = 42230280.

The previous prime is 63345421. The next prime is 63345433. The reversal of 63345423 is 32454336.

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

It is not a de Polignac number, because 63345423 - 2¹ = 63345421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63345421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10557568 + ... + 10557573.

It is an arithmetic number, because the mean of its divisors is an integer number (21115142).

Almost surely, 2^63345423 is an apocalyptic number.

63345423 is a deficient number, since it is larger than the sum of its proper divisors (21115145).

63345423 is a wasteful number, since it uses less digits than its factorization.

63345423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21115144.

The product of its digits is 25920, while the sum is 30.

The square root of 63345423 is about 7958.9837919172. The cubic root of 63345423 is about 398.6316221095.

Adding to 63345423 its reverse (32454336), we get a palindrome (95799759).

It can be divided in two parts, 633 and 45423, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 63345423 in words is "sixty-three million, three hundred forty-five thousand, four hundred twenty-three".