68923541 has 2 divisors, whose sum is σ = 68923542. Its totient is φ = 68923540.

The previous prime is 68923523. The next prime is 68923597. The reversal of 68923541 is 14532986.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62568100 + 6355441 = 7910^2 + 2521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68923541 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68923495 and 68923504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68923441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34461770 + 34461771.

It is an arithmetic number, because the mean of its divisors is an integer number (34461771).

Almost surely, 2^68923541 is an apocalyptic number.

It is an amenable number.

68923541 is a deficient number, since it is larger than the sum of its proper divisors (1).

68923541 is an equidigital number, since it uses as much as digits as its factorization.

68923541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 68923541 is about 8302.0202962893. The cubic root of 68923541 is about 410.0050386055.

The spelling of 68923541 in words is "sixty-eight million, nine hundred twenty-three thousand, five hundred forty-one".