68255023 has 4 divisors (see below), whose sum is σ = 68295088. Its totient is φ = 68214960.

The previous prime is 68254999. The next prime is 68255039. The reversal of 68255023 is 32055286.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32055286 = 2 ⋅16027643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68255023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68255063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17358 + ... + 20923.

It is an arithmetic number, because the mean of its divisors is an integer number (17073772).

Almost surely, 2^68255023 is an apocalyptic number.

68255023 is a deficient number, since it is larger than the sum of its proper divisors (40065).

68255023 is a wasteful number, since it uses less digits than its factorization.

68255023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 68255023 is about 8261.6598211255. The cubic root of 68255023 is about 408.6751265502.

The spelling of 68255023 in words is "sixty-eight million, two hundred fifty-five thousand, twenty-three".