243223237137202 has 32 divisors (see below), whose sum is σ = 424872269125632. Its totient is φ = 102259466172864.

The previous prime is 243223237137191. The next prime is 243223237137203. The reversal of 243223237137202 is 202731732322342.

It is a super-4 number, since 4×243223237137202⁴ (a number of 59 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (243223237137203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13535058 + ... + 25877485.

It is an arithmetic number, because the mean of its divisors is an integer number (13277258410176).

Almost surely, 2^{243223237137202} is an apocalyptic number.

243223237137202 is a deficient number, since it is larger than the sum of its proper divisors (181649031988430).

243223237137202 is a wasteful number, since it uses less digits than its factorization.

243223237137202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39420922.

The product of its (nonzero) digits is 1016064, while the sum is 43.

Adding to 243223237137202 its reverse (202731732322342), we get a palindrome (445954969459544).

The spelling of 243223237137202 in words is "two hundred forty-three trillion, two hundred twenty-three billion, two hundred thirty-seven million, one hundred thirty-seven thousand, two hundred two".