230938511 has 2 divisors, whose sum is σ = 230938512. Its totient is φ = 230938510.

The previous prime is 230938507. The next prime is 230938573. The reversal of 230938511 is 115839032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230938511 - 2² = 230938507 is a prime.

It is a super-4 number, since 4×230938511⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230938111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115469255 + 115469256.

It is an arithmetic number, because the mean of its divisors is an integer number (115469256).

Almost surely, 2^230938511 is an apocalyptic number.

230938511 is a deficient number, since it is larger than the sum of its proper divisors (1).

230938511 is an equidigital number, since it uses as much as digits as its factorization.

230938511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 230938511 is about 15196.6611793512. The cubic root of 230938511 is about 613.5247970366.

The spelling of 230938511 in words is "two hundred thirty million, nine hundred thirty-eight thousand, five hundred eleven".