340223236 has 6 divisors (see below), whose sum is σ = 595390670. Its totient is φ = 170111616.

The previous prime is 340223231. The next prime is 340223263. The reversal of 340223236 is 632322043.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 212984836 + 127238400 = 14594^2 + 11280^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 340223236.

It is not an unprimeable number, because it can be changed into a prime (340223231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42527901 + ... + 42527908.

Almost surely, 2^340223236 is an apocalyptic number.

It is an amenable number.

340223236 is a deficient number, since it is larger than the sum of its proper divisors (255167434).

340223236 is a wasteful number, since it uses less digits than its factorization.

340223236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85055813 (or 85055811 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 340223236 is about 18445.1412572525. The cubic root of 340223236 is about 698.1059244889.

Adding to 340223236 its reverse (632322043), we get a palindrome (972545279).

The spelling of 340223236 in words is "three hundred forty million, two hundred twenty-three thousand, two hundred thirty-six".