802823123 has 2 divisors, whose sum is σ = 802823124. Its totient is φ = 802823122.

The previous prime is 802823101. The next prime is 802823141. The reversal of 802823123 is 321328208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 802823123 - 2²² = 798628819 is a prime.

It is not a weakly prime, because it can be changed into another prime (802823183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401411561 + 401411562.

It is an arithmetic number, because the mean of its divisors is an integer number (401411562).

Almost surely, 2^802823123 is an apocalyptic number.

802823123 is a deficient number, since it is larger than the sum of its proper divisors (1).

802823123 is an equidigital number, since it uses as much as digits as its factorization.

802823123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 802823123 is about 28334.1335318375. The cubic root of 802823123 is about 929.4084660853.

The spelling of 802823123 in words is "eight hundred two million, eight hundred twenty-three thousand, one hundred twenty-three".