68923331 has 2 divisors, whose sum is σ = 68923332. Its totient is φ = 68923330.

The previous prime is 68923307. The next prime is 68923357. The reversal of 68923331 is 13332986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68923331 - 2¹⁰ = 68922307 is a prime.

It is a super-2 number, since 2×68923331² = 9500851112271122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68923291 and 68923300.

It is not a weakly prime, because it can be changed into another prime (68923391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34461665 + 34461666.

It is an arithmetic number, because the mean of its divisors is an integer number (34461666).

Almost surely, 2^68923331 is an apocalyptic number.

68923331 is a deficient number, since it is larger than the sum of its proper divisors (1).

68923331 is an equidigital number, since it uses as much as digits as its factorization.

68923331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 68923331 is about 8302.0076487558. The cubic root of 68923331 is about 410.0046221966.

The spelling of 68923331 in words is "sixty-eight million, nine hundred twenty-three thousand, three hundred thirty-one".