230206453 has 2 divisors, whose sum is σ = 230206454. Its totient is φ = 230206452.

The previous prime is 230206447. The next prime is 230206519. The reversal of 230206453 is 354602032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207994084 + 22212369 = 14422^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 230206453 - 2¹⁷ = 230075381 is a prime.

It is a super-2 number, since 2×230206453² = 105990022005682418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230206433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115103226 + 115103227.

It is an arithmetic number, because the mean of its divisors is an integer number (115103227).

Almost surely, 2^230206453 is an apocalyptic number.

It is an amenable number.

230206453 is a deficient number, since it is larger than the sum of its proper divisors (1).

230206453 is an equidigital number, since it uses as much as digits as its factorization.

230206453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 230206453 is about 15172.5559152043. Note that the first 3 decimals coincide. The cubic root of 230206453 is about 612.8758347549.

Adding to 230206453 its reverse (354602032), we get a palindrome (584808485).

The spelling of 230206453 in words is "two hundred thirty million, two hundred six thousand, four hundred fifty-three".