243233124421 has 8 divisors (see below), whose sum is σ = 278008868864. Its totient is φ = 208464418800.

The previous prime is 243233124413. The next prime is 243233124439. The reversal of 243233124421 is 124421332342.

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 243233124421 - 2³ = 243233124413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243233124401) 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 7 ways as a sum of consecutive naturals, for example, 1685445 + ... + 1824058.

It is an arithmetic number, because the mean of its divisors is an integer number (34751108608).

Almost surely, 2^243233124421 is an apocalyptic number.

It is an amenable number.

243233124421 is a deficient number, since it is larger than the sum of its proper divisors (34775744443).

243233124421 is an equidigital number, since it uses as much as digits as its factorization.

243233124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519411.

The product of its digits is 27648, while the sum is 31.

Adding to 243233124421 its reverse (124421332342), we get a palindrome (367654456763).

The spelling of 243233124421 in words is "two hundred forty-three billion, two hundred thirty-three million, one hundred twenty-four thousand, four hundred twenty-one".