243014325421 has 12 divisors (see below), whose sum is σ = 282712771488. Its totient is φ = 208281312792.

The previous prime is 243014325419. The next prime is 243014325427. The reversal of 243014325421 is 124523410342.

It is not a de Polignac number, because 243014325421 - 2¹ = 243014325419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243014325427) 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 11 ways as a sum of consecutive naturals, for example, 440320 + ... + 824566.

It is an arithmetic number, because the mean of its divisors is an integer number (23559397624).

Almost surely, 2^243014325421 is an apocalyptic number.

It is an amenable number.

243014325421 is a deficient number, since it is larger than the sum of its proper divisors (39698446067).

243014325421 is a wasteful number, since it uses less digits than its factorization.

243014325421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397168 (or 397161 counting only the distinct ones).

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

Adding to 243014325421 its reverse (124523410342), we get a palindrome (367537735763).

The spelling of 243014325421 in words is "two hundred forty-three billion, fourteen million, three hundred twenty-five thousand, four hundred twenty-one".