623423416 has 128 divisors (see below), whose sum is σ = 1517045760. Its totient is φ = 233164800.

The previous prime is 623423407. The next prime is 623423443. The reversal of 623423416 is 614324326.

623423416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1765896 + ... + 1766248.

It is an arithmetic number, because the mean of its divisors is an integer number (11851920).

Almost surely, 2^623423416 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 623423416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758522880).

623423416 is an abundant number, since it is smaller than the sum of its proper divisors (893622344).

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

623423416 is a wasteful number, since it uses less digits than its factorization.

623423416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 481 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 623423416 is about 24968.4484099433. The cubic root of 623423416 is about 854.2684558048.

The spelling of 623423416 in words is "six hundred twenty-three million, four hundred twenty-three thousand, four hundred sixteen".