68311234 has 4 divisors (see below), whose sum is σ = 102466854. Its totient is φ = 34155616.

The previous prime is 68311231. The next prime is 68311237. The reversal of 68311234 is 43211386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43211386 = 2 ⋅21605693.

It is an interprime number because it is at equal distance from previous prime (68311231) and next prime (68311237).

It can be written as a sum of positive squares in only one way, i.e., 37785609 + 30525625 = 6147^2 + 5525^2 .

It is not an unprimeable number, because it can be changed into a prime (68311231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17077807 + ... + 17077810.

Almost surely, 2^68311234 is an apocalyptic number.

68311234 is a deficient number, since it is larger than the sum of its proper divisors (34155620).

68311234 is a wasteful number, since it uses less digits than its factorization.

68311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34155619.

The product of its digits is 3456, while the sum is 28.

The square root of 68311234 is about 8265.0610403070. The cubic root of 68311234 is about 408.7872830541.

The spelling of 68311234 in words is "sixty-eight million, three hundred eleven thousand, two hundred thirty-four".