63321154423 has 4 divisors (see below), whose sum is σ = 63948096648. Its totient is φ = 62694212200.

The previous prime is 63321154397. The next prime is 63321154427. The reversal of 63321154423 is 32445112336.

It is a happy number.

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 63321154423 - 2³³ = 54731219831 is a prime.

It is a super-2 number, since 2×63321154423² (a number of 22 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 (63321154427) 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, 313470961 + ... + 313471162.

It is an arithmetic number, because the mean of its divisors is an integer number (15987024162).

Almost surely, 2^63321154423 is an apocalyptic number.

63321154423 is a deficient number, since it is larger than the sum of its proper divisors (626942225).

63321154423 is a wasteful number, since it uses less digits than its factorization.

63321154423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626942224.

The product of its digits is 51840, while the sum is 34.

Adding to 63321154423 its reverse (32445112336), we get a palindrome (95766266759).

The spelling of 63321154423 in words is "sixty-three billion, three hundred twenty-one million, one hundred fifty-four thousand, four hundred twenty-three".