243201014421 has 8 divisors (see below), whose sum is σ = 324275813280. Its totient is φ = 162130112592.

The previous prime is 243201014389. The next prime is 243201014431. The reversal of 243201014421 is 124410102342.

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

It is not a de Polignac number, because 243201014421 - 2⁵ = 243201014389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243201014391 and 243201014400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243201014431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825391 + ... + 1080588.

It is an arithmetic number, because the mean of its divisors is an integer number (40534476660).

Almost surely, 2^243201014421 is an apocalyptic number.

It is an amenable number.

243201014421 is a deficient number, since it is larger than the sum of its proper divisors (81074798859).

243201014421 is a wasteful number, since it uses less digits than its factorization.

243201014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948515.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 243201014421 its reverse (124410102342), we get a palindrome (367611116763).

The spelling of 243201014421 in words is "two hundred forty-three billion, two hundred one million, fourteen thousand, four hundred twenty-one".