715823 has 2 divisors, whose sum is σ = 715824. Its totient is φ = 715822.

The previous prime is 715817. The next prime is 715843. The reversal of 715823 is 328517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 715823 - 2⁸ = 715567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 715792 and 715801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (715843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357911 + 357912.

It is an arithmetic number, because the mean of its divisors is an integer number (357912).

2⁷¹⁵⁸²³ is an apocalyptic number.

715823 is a deficient number, since it is larger than the sum of its proper divisors (1).

715823 is an equidigital number, since it uses as much as digits as its factorization.

715823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 715823 is about 846.0632364073. The cubic root of 715823 is about 89.4544361983.

The spelling of 715823 in words is "seven hundred fifteen thousand, eight hundred twenty-three".