623361 has 8 divisors (see below), whose sum is σ = 849024. Its totient is φ = 406640.

The previous prime is 623353. The next prime is 623383. The reversal of 623361 is 163326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623361 - 2³ = 623353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (106128).

2⁶²³³⁶¹ is an apocalyptic number.

It is an amenable number.

623361 is a deficient number, since it is larger than the sum of its proper divisors (225663).

623361 is a wasteful number, since it uses less digits than its factorization.

623361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

The product of its digits is 648, while the sum is 21.

The square root of 623361 is about 789.5321399411. The cubic root of 623361 is about 85.4239945594.

Adding to 623361 its reverse (163326), we get a palindrome (786687).

The spelling of 623361 in words is "six hundred twenty-three thousand, three hundred sixty-one".