623360 has 36 divisors (see below), whose sum is σ = 1496208. Its totient is φ = 248832.

The previous prime is 623353. The next prime is 623383. The reversal of 623360 is 63326.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1037 + ... + 1523.

2⁶²³³⁶⁰ 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 623360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748104).

623360 is an abundant number, since it is smaller than the sum of its proper divisors (872848).

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

623360 is an equidigital number, since it uses as much as digits as its factorization.

623360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 623360 is about 789.5315066544. The cubic root of 623360 is about 85.4239488801.

Adding to 623360 its reverse (63326), we get a palindrome (686686).

The spelling of 623360 in words is "six hundred twenty-three thousand, three hundred sixty".