770123 has 2 divisors, whose sum is σ = 770124. Its totient is φ = 770122.

The previous prime is 770113. The next prime is 770129. The reversal of 770123 is 321077.

It is a strong prime.

It is an emirp because it is prime and its reverse (321077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770123 - 2⁶ = 770059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 770095 and 770104.

It is not a weakly prime, because it can be changed into another prime (770129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385061 + 385062.

It is an arithmetic number, because the mean of its divisors is an integer number (385062).

2⁷⁷⁰¹²³ is an apocalyptic number.

770123 is a deficient number, since it is larger than the sum of its proper divisors (1).

770123 is an equidigital number, since it uses as much as digits as its factorization.

770123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 770123 is about 877.5665216951. The cubic root of 770123 is about 91.6614446979.

The spelling of 770123 in words is "seven hundred seventy thousand, one hundred twenty-three", and thus it is an iban number.