423550453663 has 4 divisors (see below), whose sum is σ = 423643607640. Its totient is φ = 423457299688.

The previous prime is 423550453643. The next prime is 423550453699. The reversal of 423550453663 is 366354055324.

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

It is a cyclic number.

It is not a de Polignac number, because 423550453663 - 2⁵ = 423550453631 is a prime.

It is a super-2 number, since 2×423550453663² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423550453633) 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, 46570168 + ... + 46579261.

It is an arithmetic number, because the mean of its divisors is an integer number (105910901910).

Almost surely, 2^423550453663 is an apocalyptic number.

423550453663 is a deficient number, since it is larger than the sum of its proper divisors (93153977).

423550453663 is an equidigital number, since it uses as much as digits as its factorization.

423550453663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93153976.

The product of its (nonzero) digits is 3888000, while the sum is 46.

The spelling of 423550453663 in words is "four hundred twenty-three billion, five hundred fifty million, four hundred fifty-three thousand, six hundred sixty-three".