68023843354 has 4 divisors (see below), whose sum is σ = 102035765034. Its totient is φ = 34011921676.

The previous prime is 68023843331. The next prime is 68023843373. The reversal of 68023843354 is 45334832086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62492500225 + 5531343129 = 249985^2 + 74373^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17005960837 + ... + 17005960840.

Almost surely, 2^68023843354 is an apocalyptic number.

68023843354 is a deficient number, since it is larger than the sum of its proper divisors (34011921680).

68023843354 is a wasteful number, since it uses less digits than its factorization.

68023843354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34011921679.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 68023843354 in words is "sixty-eight billion, twenty-three million, eight hundred forty-three thousand, three hundred fifty-four".