234040365 has 24 divisors (see below), whose sum is σ = 436876440. Its totient is φ = 115219584.

The previous prime is 234040361. The next prime is 234040379. The reversal of 234040365 is 563040432.

It can be written as a sum of positive squares in 4 ways, for example, as 2604996 + 231435369 = 1614^2 + 15213^2 .

It is not a de Polignac number, because 234040365 - 2² = 234040361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234040361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199450 + ... + 200619.

It is an arithmetic number, because the mean of its divisors is an integer number (18203185).

Almost surely, 2^234040365 is an apocalyptic number.

It is an amenable number.

234040365 is a deficient number, since it is larger than the sum of its proper divisors (202836075).

234040365 is a wasteful number, since it uses less digits than its factorization.

234040365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400093 (or 400090 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 234040365 is about 15298.3778551845. The cubic root of 234040365 is about 616.2594456186.

Adding to 234040365 its reverse (563040432), we get a palindrome (797080797).

The spelling of 234040365 in words is "two hundred thirty-four million, forty thousand, three hundred sixty-five".