5623421118 has 64 divisors (see below), whose sum is σ = 13077668352. Its totient is φ = 1578839040.

The previous prime is 5623421101. The next prime is 5623421159. The reversal of 5623421118 is 8111243265.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 864438 + ... + 870918.

It is an arithmetic number, because the mean of its divisors is an integer number (204338568).

Almost surely, 2^5623421118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5623421118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6538834176).

5623421118 is an abundant number, since it is smaller than the sum of its proper divisors (7454247234).

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

5623421118 is a wasteful number, since it uses less digits than its factorization.

5623421118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849.

The product of its digits is 11520, while the sum is 33.

The square root of 5623421118 is about 74989.4733812687. The cubic root of 5623421118 is about 1778.2802391979.

The spelling of 5623421118 in words is "five billion, six hundred twenty-three million, four hundred twenty-one thousand, one hundred eighteen".