872824423 has 2 divisors, whose sum is σ = 872824424. Its totient is φ = 872824422.

The previous prime is 872824411. The next prime is 872824481. The reversal of 872824423 is 324428278.

It is a happy number.

872824423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872824423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872824483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436412211 + 436412212.

It is an arithmetic number, because the mean of its divisors is an integer number (436412212).

Almost surely, 2^872824423 is an apocalyptic number.

872824423 is a deficient number, since it is larger than the sum of its proper divisors (1).

872824423 is an equidigital number, since it uses as much as digits as its factorization.

872824423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 40.

The square root of 872824423 is about 29543.6020654219. The cubic root of 872824423 is about 955.6722231841.

The spelling of 872824423 in words is "eight hundred seventy-two million, eight hundred twenty-four thousand, four hundred twenty-three".