623534241 has 16 divisors (see below), whose sum is σ = 924073920. Its totient is φ = 370768320.

The previous prime is 623534237. The next prime is 623534257. The reversal of 623534241 is 142435326.

It is not a de Polignac number, because 623534241 - 2² = 623534237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623534199 and 623534208.

It is not an unprimeable number, because it can be changed into a prime (623534201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176506 + ... + 180003.

It is an arithmetic number, because the mean of its divisors is an integer number (57754620).

Almost surely, 2^623534241 is an apocalyptic number.

It is an amenable number.

623534241 is a deficient number, since it is larger than the sum of its proper divisors (300539679).

623534241 is a wasteful number, since it uses less digits than its factorization.

623534241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356576.

The product of its digits is 17280, while the sum is 30.

The square root of 623534241 is about 24970.6676122205. The cubic root of 623534241 is about 854.3190734587.

Adding to 623534241 its reverse (142435326), we get a palindrome (765969567).

The spelling of 623534241 in words is "six hundred twenty-three million, five hundred thirty-four thousand, two hundred forty-one".