230261686 has 4 divisors (see below), whose sum is σ = 345392532. Its totient is φ = 115130842.

The previous prime is 230261657. The next prime is 230261687. The reversal of 230261686 is 686162032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230261687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57565420 + ... + 57565423.

It is an arithmetic number, because the mean of its divisors is an integer number (86348133).

Almost surely, 2^230261686 is an apocalyptic number.

230261686 is a deficient number, since it is larger than the sum of its proper divisors (115130846).

230261686 is a wasteful number, since it uses less digits than its factorization.

230261686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115130845.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 230261686 is about 15174.3759673998. The cubic root of 230261686 is about 612.9248462163.

The spelling of 230261686 in words is "two hundred thirty million, two hundred sixty-one thousand, six hundred eighty-six".