230345813 has 2 divisors, whose sum is σ = 230345814. Its totient is φ = 230345812.

The previous prime is 230345807. The next prime is 230345827. The reversal of 230345813 is 318543032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123698884 + 106646929 = 11122^2 + 10327^2 .

It is a cyclic number.

It is not a de Polignac number, because 230345813 - 2¹⁰ = 230344789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230345893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115172906 + 115172907.

It is an arithmetic number, because the mean of its divisors is an integer number (115172907).

Almost surely, 2^230345813 is an apocalyptic number.

It is an amenable number.

230345813 is a deficient number, since it is larger than the sum of its proper divisors (1).

230345813 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 230345813 = (531383042)₉.

230345813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 230345813 is about 15177.1477228101. The cubic root of 230345813 is about 612.9994819508. Note that the first 3 decimals are identical.

Adding to 230345813 its reverse (318543032), we get a palindrome (548888845).

The spelling of 230345813 in words is "two hundred thirty million, three hundred forty-five thousand, eight hundred thirteen".