243223425121 has 8 divisors (see below), whose sum is σ = 253806886080. Its totient is φ = 232640674992.

The previous prime is 243223425103. The next prime is 243223425199. The reversal of 243223425121 is 121524322342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243223425121 - 2⁷ = 243223424993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243223425721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592611 + ... + 915223.

It is an arithmetic number, because the mean of its divisors is an integer number (31725860760).

Almost surely, 2^243223425121 is an apocalyptic number.

It is an amenable number.

243223425121 is a deficient number, since it is larger than the sum of its proper divisors (10583460959).

243223425121 is a wasteful number, since it uses less digits than its factorization.

243223425121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355415.

The product of its digits is 23040, while the sum is 31.

Adding to 243223425121 its reverse (121524322342), we get a palindrome (364747747463).

It can be divided in two parts, 24322 and 3425121, that added together give a palindrome (3449443).

The spelling of 243223425121 in words is "two hundred forty-three billion, two hundred twenty-three million, four hundred twenty-five thousand, one hundred twenty-one".