423524553 has 32 divisors (see below), whose sum is σ = 629047296. Its totient is φ = 252096768.

The previous prime is 423524551. The next prime is 423524579. The reversal of 423524553 is 355425324.

It is a happy number.

It is not a de Polignac number, because 423524553 - 2¹ = 423524551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423524551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147550 + ... + 150392.

It is an arithmetic number, because the mean of its divisors is an integer number (19657728).

Almost surely, 2^423524553 is an apocalyptic number.

It is an amenable number.

423524553 is a deficient number, since it is larger than the sum of its proper divisors (205522743).

423524553 is a wasteful number, since it uses less digits than its factorization.

423524553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its digits is 72000, while the sum is 33.

The square root of 423524553 is about 20579.7121699989. The cubic root of 423524553 is about 750.9762416073.

Adding to 423524553 its reverse (355425324), we get a palindrome (778949877).

The spelling of 423524553 in words is "four hundred twenty-three million, five hundred twenty-four thousand, five hundred fifty-three".