230620381 has 2 divisors, whose sum is σ = 230620382. Its totient is φ = 230620380.

The previous prime is 230620373. The next prime is 230620427. The reversal of 230620381 is 183026032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226352025 + 4268356 = 15045^2 + 2066^2 .

It is a cyclic number.

It is not a de Polignac number, because 230620381 - 2³ = 230620373 is a prime.

It is a super-2 number, since 2×230620381² = 106371520265170322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230620301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115310190 + 115310191.

It is an arithmetic number, because the mean of its divisors is an integer number (115310191).

Almost surely, 2^230620381 is an apocalyptic number.

It is an amenable number.

230620381 is a deficient number, since it is larger than the sum of its proper divisors (1).

230620381 is an equidigital number, since it uses as much as digits as its factorization.

230620381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 230620381 is about 15186.1904702924. The cubic root of 230620381 is about 613.2429466350.

The spelling of 230620381 in words is "two hundred thirty million, six hundred twenty thousand, three hundred eighty-one".