7880123 has 2 divisors, whose sum is σ = 7880124. Its totient is φ = 7880122.

The previous prime is 7880113. The next prime is 7880143. The reversal of 7880123 is 3210887.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7880123 - 2¹⁰ = 7879099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7880113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3940061 + 3940062.

It is an arithmetic number, because the mean of its divisors is an integer number (3940062).

Almost surely, 2^7880123 is an apocalyptic number.

7880123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7880123 is an equidigital number, since it uses as much as digits as its factorization.

7880123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7880123 is about 2807.1556779060. The cubic root of 7880123 is about 198.9959932865.

The spelling of 7880123 in words is "seven million, eight hundred eighty thousand, one hundred twenty-three".