230763561 has 64 divisors (see below), whose sum is σ = 378224640. Its totient is φ = 122411520.

The previous prime is 230763557. The next prime is 230763563. The reversal of 230763561 is 165367032.

It is not a de Polignac number, because 230763561 - 2² = 230763557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230763563) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2592805 + ... + 2592893.

It is an arithmetic number, because the mean of its divisors is an integer number (5909760).

Almost surely, 2^230763561 is an apocalyptic number.

230763561 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230763561 is a deficient number, since it is larger than the sum of its proper divisors (147461079).

230763561 is a wasteful number, since it uses less digits than its factorization.

230763561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 230763561 is about 15190.9038901574. The cubic root of 230763561 is about 613.3698304198.

The spelling of 230763561 in words is "two hundred thirty million, seven hundred sixty-three thousand, five hundred sixty-one".