623244460 has 96 divisors (see below), whose sum is σ = 1434746880. Its totient is φ = 226540800.

The previous prime is 623244439. The next prime is 623244493. The reversal of 623244460 is 64442326.

623244460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 2249842 + ... + 2250118.

It is an arithmetic number, because the mean of its divisors is an integer number (14945280).

Almost surely, 2^623244460 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 623244460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717373440).

623244460 is an abundant number, since it is smaller than the sum of its proper divisors (811502420).

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

623244460 is a wasteful number, since it uses less digits than its factorization.

623244460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 623244460 is about 24964.8645099468. The cubic root of 623244460 is about 854.1867076744.

Adding to 623244460 its reverse (64442326), we get a palindrome (687686786).

The spelling of 623244460 in words is "six hundred twenty-three million, two hundred forty-four thousand, four hundred sixty".