230405023 has 2 divisors, whose sum is σ = 230405024. Its totient is φ = 230405022.

The previous prime is 230405003. The next prime is 230405047. The reversal of 230405023 is 320504032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230405023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230405003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115202511 + 115202512.

It is an arithmetic number, because the mean of its divisors is an integer number (115202512).

Almost surely, 2^230405023 is an apocalyptic number.

230405023 is a deficient number, since it is larger than the sum of its proper divisors (1).

230405023 is an equidigital number, since it uses as much as digits as its factorization.

230405023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 230405023 is about 15179.0982274969. The cubic root of 230405023 is about 613.0520009430.

Adding to 230405023 its reverse (320504032), we get a palindrome (550909055).

Subtracting 230405023 from its reverse (320504032), we obtain a palindrome (90099009).

The spelling of 230405023 in words is "two hundred thirty million, four hundred five thousand, twenty-three".