230113505 has 16 divisors (see below), whose sum is σ = 291392640. Its totient is φ = 174100608.

The previous prime is 230113493. The next prime is 230113519. The reversal of 230113505 is 505311032.

230113505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 230113505 - 2⁴ = 230113489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007 + ... + 21476.

It is an arithmetic number, because the mean of its divisors is an integer number (18212040).

Almost surely, 2^230113505 is an apocalyptic number.

It is an amenable number.

230113505 is a deficient number, since it is larger than the sum of its proper divisors (61279135).

230113505 is a wasteful number, since it uses less digits than its factorization.

230113505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22600.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 230113505 is about 15169.4925755610. The cubic root of 230113505 is about 612.7933388751.

Adding to 230113505 its reverse (505311032), we get a palindrome (735424537).

The spelling of 230113505 in words is "two hundred thirty million, one hundred thirteen thousand, five hundred five".