230456505 has 16 divisors (see below), whose sum is σ = 390420864. Its totient is φ = 115680000.

The previous prime is 230456489. The next prime is 230456507. The reversal of 230456505 is 505654032.

It is not a de Polignac number, because 230456505 - 2⁴ = 230456489 is a prime.

It is a super-2 number, since 2×230456505² = 106220401393630050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230456507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451621 + ... + 452130.

It is an arithmetic number, because the mean of its divisors is an integer number (24401304).

Almost surely, 2^230456505 is an apocalyptic number.

It is an amenable number.

230456505 is a deficient number, since it is larger than the sum of its proper divisors (159964359).

230456505 is a wasteful number, since it uses less digits than its factorization.

230456505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903776.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 230456505 is about 15180.7939515692. The cubic root of 230456505 is about 613.0976579232.

The spelling of 230456505 in words is "two hundred thirty million, four hundred fifty-six thousand, five hundred five".