230920803257 has 2 divisors, whose sum is σ = 230920803258. Its totient is φ = 230920803256.

The previous prime is 230920803227. The next prime is 230920803331. The reversal of 230920803257 is 752308029032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174806773801 + 56114029456 = 418099^2 + 236884^2 .

It is a cyclic number.

It is not a de Polignac number, because 230920803257 - 2¹⁸ = 230920541113 is a prime.

It is not a weakly prime, because it can be changed into another prime (230920803227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115460401628 + 115460401629.

It is an arithmetic number, because the mean of its divisors is an integer number (115460401629).

Almost surely, 2^230920803257 is an apocalyptic number.

It is an amenable number.

230920803257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230920803257 is an equidigital number, since it uses as much as digits as its factorization.

230920803257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 230920803257 in words is "two hundred thirty billion, nine hundred twenty million, eight hundred three thousand, two hundred fifty-seven".