1808523233051 has 2 divisors, whose sum is σ = 1808523233052. Its totient is φ = 1808523233050.

The previous prime is 1808523233009. The next prime is 1808523233141. The reversal of 1808523233051 is 1503323258081.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1808523233051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1808523238051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904261616525 + 904261616526.

It is an arithmetic number, because the mean of its divisors is an integer number (904261616526).

Almost surely, 2^{1808523233051} is an apocalyptic number.

1808523233051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1808523233051 is an equidigital number, since it uses as much as digits as its factorization.

1808523233051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 1808523233051 in words is "one trillion, eight hundred eight billion, five hundred twenty-three million, two hundred thirty-three thousand, fifty-one".