230018853881 has 2 divisors, whose sum is σ = 230018853882. Its totient is φ = 230018853880.

The previous prime is 230018853851. The next prime is 230018853913. The reversal of 230018853881 is 188358810032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226900748281 + 3118105600 = 476341^2 + 55840^2 .

It is a cyclic number.

It is not a de Polignac number, because 230018853881 - 2⁶ = 230018853817 is a prime.

It is a super-2 number, since 2×230018853881² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (230018853851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115009426940 + 115009426941.

It is an arithmetic number, because the mean of its divisors is an integer number (115009426941).

Almost surely, 2^230018853881 is an apocalyptic number.

It is an amenable number.

230018853881 is a deficient number, since it is larger than the sum of its proper divisors (1).

230018853881 is an equidigital number, since it uses as much as digits as its factorization.

230018853881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 230018853881 in words is "two hundred thirty billion, eighteen million, eight hundred fifty-three thousand, eight hundred eighty-one".