230705945506 has 4 divisors (see below), whose sum is σ = 346058918262. Its totient is φ = 115352972752.

The previous prime is 230705945501. The next prime is 230705945539. The reversal of 230705945506 is 605549507032.

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

It can be written as a sum of positive squares in only one way, i.e., 216937035225 + 13768910281 = 465765^2 + 117341^2 .

It is a super-3 number, since 3×230705945506³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (230705945501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57676486375 + ... + 57676486378.

Almost surely, 2^230705945506 is an apocalyptic number.

230705945506 is a deficient number, since it is larger than the sum of its proper divisors (115352972756).

230705945506 is a wasteful number, since it uses less digits than its factorization.

230705945506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115352972755.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 230705945506 in words is "two hundred thirty billion, seven hundred five million, nine hundred forty-five thousand, five hundred six".