623353 has 2 divisors, whose sum is σ = 623354. Its totient is φ = 623352.

The previous prime is 623351. The next prime is 623383. The reversal of 623353 is 353326.

623353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344569 + 278784 = 587^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 623353 - 2¹ = 623351 is a prime.

Together with 623351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (623351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311676 + 311677.

It is an arithmetic number, because the mean of its divisors is an integer number (311677).

2⁶²³³⁵³ is an apocalyptic number.

It is an amenable number.

623353 is a deficient number, since it is larger than the sum of its proper divisors (1).

623353 is an equidigital number, since it uses as much as digits as its factorization.

623353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 22.

The square root of 623353 is about 789.5270736333. The cubic root of 623353 is about 85.4236291238.

Adding to 623353 its reverse (353326), we get a palindrome (976679).

The spelling of 623353 in words is "six hundred twenty-three thousand, three hundred fifty-three".