623244243 has 16 divisors (see below), whose sum is σ = 880987136. Its totient is φ = 391223520.

The previous prime is 623244229. The next prime is 623244263. The reversal of 623244243 is 342442326.

It is not a de Polignac number, because 623244243 - 2⁴ = 623244227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 623244243.

It is not an unprimeable number, because it can be changed into a prime (623244263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87121 + ... + 94002.

It is an arithmetic number, because the mean of its divisors is an integer number (55061696).

Almost surely, 2^623244243 is an apocalyptic number.

623244243 is a deficient number, since it is larger than the sum of its proper divisors (257742893).

623244243 is a wasteful number, since it uses less digits than its factorization.

623244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181194.

The product of its digits is 27648, while the sum is 30.

The square root of 623244243 is about 24964.8601638383. The cubic root of 623244243 is about 854.1866085381.

Adding to 623244243 its reverse (342442326), we get a palindrome (965686569).

The spelling of 623244243 in words is "six hundred twenty-three million, two hundred forty-four thousand, two hundred forty-three".