230440123 has 2 divisors, whose sum is σ = 230440124. Its totient is φ = 230440122.

The previous prime is 230440097. The next prime is 230440211. The reversal of 230440123 is 321044032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230440123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230440123.

It is not a weakly prime, because it can be changed into another prime (230440523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115220061 + 115220062.

It is an arithmetic number, because the mean of its divisors is an integer number (115220062).

Almost surely, 2^230440123 is an apocalyptic number.

230440123 is a deficient number, since it is larger than the sum of its proper divisors (1).

230440123 is an equidigital number, since it uses as much as digits as its factorization.

230440123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 230440123 is about 15180.2543786328. The cubic root of 230440123 is about 613.0831302305.

Adding to 230440123 its reverse (321044032), we get a palindrome (551484155).

The spelling of 230440123 in words is "two hundred thirty million, four hundred forty thousand, one hundred twenty-three".