234105345 has 12 divisors (see below), whose sum is σ = 405782676. Its totient is φ = 124856160.

The previous prime is 234105341. The next prime is 234105349. The reversal of 234105345 is 543501432.

It is an interprime number because it is at equal distance from previous prime (234105341) and next prime (234105349).

It can be written as a sum of positive squares in 2 ways, for example, as 142635249 + 91470096 = 11943^2 + 9564^2 .

It is not a de Polignac number, because 234105345 - 2² = 234105341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234105341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2601126 + ... + 2601215.

It is an arithmetic number, because the mean of its divisors is an integer number (33815223).

Almost surely, 2^234105345 is an apocalyptic number.

It is an amenable number.

234105345 is a deficient number, since it is larger than the sum of its proper divisors (171677331).

234105345 is a wasteful number, since it uses less digits than its factorization.

234105345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202352 (or 5202349 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 234105345 is about 15300.5014623704. The cubic root of 234105345 is about 616.3164740052.

Adding to 234105345 its reverse (543501432), we get a palindrome (777606777).

The spelling of 234105345 in words is "two hundred thirty-four million, one hundred five thousand, three hundred forty-five".