711923 has 2 divisors, whose sum is σ = 711924. Its totient is φ = 711922.

The previous prime is 711913. The next prime is 711929. The reversal of 711923 is 329117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 711923 - 2⁶ = 711859 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (711929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355961 + 355962.

It is an arithmetic number, because the mean of its divisors is an integer number (355962).

2⁷¹¹⁹²³ is an apocalyptic number.

711923 is a deficient number, since it is larger than the sum of its proper divisors (1).

711923 is an equidigital number, since it uses as much as digits as its factorization.

711923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378, while the sum is 23.

The square root of 711923 is about 843.7552962797. The cubic root of 711923 is about 89.2916828315.

The spelling of 711923 in words is "seven hundred eleven thousand, nine hundred twenty-three".