243421077 has 8 divisors (see below), whose sum is σ = 324664416. Its totient is φ = 162229232.

The previous prime is 243421069. The next prime is 243421081. The reversal of 243421077 is 770124342.

243421077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243421077 - 2³ = 243421069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243421007) 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, 3 + ... + 22064.

It is an arithmetic number, because the mean of its divisors is an integer number (40583052).

Almost surely, 2^243421077 is an apocalyptic number.

It is an amenable number.

243421077 is a deficient number, since it is larger than the sum of its proper divisors (81243339).

243421077 is a wasteful number, since it uses less digits than its factorization.

243421077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25747.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 243421077 is about 15601.9574733429. The cubic root of 243421077 is about 624.3853814953.

The spelling of 243421077 in words is "two hundred forty-three million, four hundred twenty-one thousand, seventy-seven".