801606818423 has 2 divisors, whose sum is σ = 801606818424. Its totient is φ = 801606818422.

The previous prime is 801606818281. The next prime is 801606818429. The reversal of 801606818423 is 324818606108.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-801606818423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801606818429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400803409211 + 400803409212.

It is an arithmetic number, because the mean of its divisors is an integer number (400803409212).

Almost surely, 2^801606818423 is an apocalyptic number.

801606818423 is a deficient number, since it is larger than the sum of its proper divisors (1).

801606818423 is an equidigital number, since it uses as much as digits as its factorization.

801606818423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 801606818423 in words is "eight hundred one billion, six hundred six million, eight hundred eighteen thousand, four hundred twenty-three".