623241 has 16 divisors (see below), whose sum is σ = 947520. Its totient is φ = 404640.

The previous prime is 623221. The next prime is 623261. The reversal of 623241 is 142326.

623241 = T₈₀ + T₈₁ + ... + T₁₆₁.

It is a happy number.

623241 is a `hidden beast` number, since 623 + 2 + 41 = 666.

623241 is nontrivially palindromic in base 16.

It is an interprime number because it is at equal distance from previous prime (623221) and next prime (623261).

It is not a de Polignac number, because 623241 - 2⁵ = 623209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (59220).

2⁶²³²⁴¹ is an apocalyptic number.

It is an amenable number.

623241 is a deficient number, since it is larger than the sum of its proper divisors (324279).

623241 is a wasteful number, since it uses less digits than its factorization.

623241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 607 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 623241 is about 789.4561419104. The cubic root of 623241 is about 85.4185126972.

Adding to 623241 its reverse (142326), we get a palindrome (765567).

The spelling of 623241 in words is "six hundred twenty-three thousand, two hundred forty-one".