63507423 has 16 divisors (see below), whose sum is σ = 98415360. Its totient is φ = 35674176.

The previous prime is 63507407. The next prime is 63507511. The reversal of 63507423 is 32470536.

It is not a de Polignac number, because 63507423 - 2⁴ = 63507407 is a prime.

It is a super-2 number, since 2×63507423² = 8066385552201858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63507023) 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, 24390 + ... + 26867.

It is an arithmetic number, because the mean of its divisors is an integer number (6150960).

Almost surely, 2^63507423 is an apocalyptic number.

63507423 is a deficient number, since it is larger than the sum of its proper divisors (34907937).

63507423 is a wasteful number, since it uses less digits than its factorization.

63507423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51326.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 63507423 is about 7969.1544720880. The cubic root of 63507423 is about 398.9711538747.

Adding to 63507423 its reverse (32470536), we get a palindrome (95977959).

The spelling of 63507423 in words is "sixty-three million, five hundred seven thousand, four hundred twenty-three".