623562 has 16 divisors (see below), whose sum is σ = 1260480. Its totient is φ = 205632.

The previous prime is 623537. The next prime is 623563. The reversal of 623562 is 265326.

It is not an unprimeable number, because it can be changed into a prime (623563) by changing a digit.

623562 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114 + ... + 1122.

It is an arithmetic number, because the mean of its divisors is an integer number (78780).

2⁶²³⁵⁶² is an apocalyptic number.

623562 is an abundant number, since it is smaller than the sum of its proper divisors (636918).

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

623562 is a wasteful number, since it uses less digits than its factorization.

623562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its digits is 2160, while the sum is 24.

The square root of 623562 is about 789.6594202566. The cubic root of 623562 is about 85.4331751026.

Adding to 623562 its reverse (265326), we get a palindrome (888888).

The spelling of 623562 in words is "six hundred twenty-three thousand, five hundred sixty-two".