423553530552 has 32 divisors (see below), whose sum is σ = 1060002028800. Its totient is φ = 141035416544.

The previous prime is 423553530551. The next prime is 423553530593. The reversal of 423553530552 is 255035355324.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423553530551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9295152 + ... + 9340607.

It is an arithmetic number, because the mean of its divisors is an integer number (33125063400).

Almost surely, 2^423553530552 is an apocalyptic number.

It is an amenable number.

423553530552 is an abundant number, since it is smaller than the sum of its proper divisors (636448498248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423553530552 is a wasteful number, since it uses less digits than its factorization.

423553530552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18636715 (or 18636711 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 42.

Adding to 423553530552 its reverse (255035355324), we get a palindrome (678588885876).

The spelling of 423553530552 in words is "four hundred twenty-three billion, five hundred fifty-three million, five hundred thirty thousand, five hundred fifty-two".