623211424 has 96 divisors (see below), whose sum is σ = 1390435200. Its totient is φ = 272471040.

The previous prime is 623211403. The next prime is 623211431. The reversal of 623211424 is 424112326.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419397 + ... + 1419835.

It is an arithmetic number, because the mean of its divisors is an integer number (14483700).

Almost surely, 2^623211424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623211424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695217600).

623211424 is an abundant number, since it is smaller than the sum of its proper divisors (767223776).

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

623211424 is a wasteful number, since it uses less digits than its factorization.

623211424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 598 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 623211424 is about 24964.2028512829. The cubic root of 623211424 is about 854.1716149286.

The spelling of 623211424 in words is "six hundred twenty-three million, two hundred eleven thousand, four hundred twenty-four".