234488820385 has 4 divisors (see below), whose sum is σ = 281386584468. Its totient is φ = 187591056304.

The previous prime is 234488820353. The next prime is 234488820437. The reversal of 234488820385 is 583028884432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96258785536 + 138230034849 = 310256^2 + 371793^2 .

It is a cyclic number.

It is not a de Polignac number, because 234488820385 - 2⁵ = 234488820353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23448882034 + ... + 23448882043.

It is an arithmetic number, because the mean of its divisors is an integer number (70346646117).

Almost surely, 2^234488820385 is an apocalyptic number.

It is an amenable number.

234488820385 is a deficient number, since it is larger than the sum of its proper divisors (46897764083).

234488820385 is an equidigital number, since it uses as much as digits as its factorization.

234488820385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46897764082.

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 234488820385 in words is "two hundred thirty-four billion, four hundred eighty-eight million, eight hundred twenty thousand, three hundred eighty-five".