230440408813 has 2 divisors, whose sum is σ = 230440408814. Its totient is φ = 230440408812.

The previous prime is 230440408801. The next prime is 230440408837. The reversal of 230440408813 is 318804044032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173511403209 + 56929005604 = 416547^2 + 238598^2 .

It is a cyclic number.

It is not a de Polignac number, because 230440408813 - 2¹⁷ = 230440277741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230440408843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115220204406 + 115220204407.

It is an arithmetic number, because the mean of its divisors is an integer number (115220204407).

Almost surely, 2^230440408813 is an apocalyptic number.

It is an amenable number.

230440408813 is a deficient number, since it is larger than the sum of its proper divisors (1).

230440408813 is an equidigital number, since it uses as much as digits as its factorization.

230440408813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 230440408813 in words is "two hundred thirty billion, four hundred forty million, four hundred eight thousand, eight hundred thirteen".