345020234 has 8 divisors (see below), whose sum is σ = 557340420. Its totient is φ = 159240096.

The previous prime is 345020191. The next prime is 345020243. The reversal of 345020234 is 432020543.

345020234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 306145009 + 38875225 = 17497^2 + 6235^2 .

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

It is a Curzon 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, 6634979 + ... + 6635030.

Almost surely, 2^345020234 is an apocalyptic number.

345020234 is a deficient number, since it is larger than the sum of its proper divisors (212320186).

345020234 is a wasteful number, since it uses less digits than its factorization.

345020234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13270024.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 345020234 is about 18574.7202939910. The cubic root of 345020234 is about 701.3716194596.

Adding to 345020234 its reverse (432020543), we get a palindrome (777040777).

The spelling of 345020234 in words is "three hundred forty-five million, twenty thousand, two hundred thirty-four".