623447830416 has 40 divisors (see below), whose sum is σ = 1662527551744. Its totient is φ = 201112202880.

The previous prime is 623447830409. The next prime is 623447830417. The reversal of 623447830416 is 614038744326.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (623447830417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209490391 + ... + 209493366.

Almost surely, 2^623447830416 is an apocalyptic number.

It is an amenable number.

623447830416 is an abundant number, since it is smaller than the sum of its proper divisors (1039079721328).

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

623447830416 is a wasteful number, since it uses less digits than its factorization.

623447830416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418983799 (or 418983793 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 48.

The spelling of 623447830416 in words is "six hundred twenty-three billion, four hundred forty-seven million, eight hundred thirty thousand, four hundred sixteen".