820060723 has 2 divisors, whose sum is σ = 820060724. Its totient is φ = 820060722.

The previous prime is 820060651. The next prime is 820060727. The reversal of 820060723 is 327060028.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-820060723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 820060691 and 820060700.

It is not a weakly prime, because it can be changed into another prime (820060727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410030361 + 410030362.

It is an arithmetic number, because the mean of its divisors is an integer number (410030362).

Almost surely, 2^820060723 is an apocalyptic number.

820060723 is a deficient number, since it is larger than the sum of its proper divisors (1).

820060723 is an equidigital number, since it uses as much as digits as its factorization.

820060723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 820060723 is about 28636.7023764958. The cubic root of 820060723 is about 936.0132658620.

The spelling of 820060723 in words is "eight hundred twenty million, sixty thousand, seven hundred twenty-three".