230679444681 has 27 divisors (see below), whose sum is σ = 387621185133. Its totient is φ = 131811062040.

The previous prime is 230679444659. The next prime is 230679444713. The reversal of 230679444681 is 186444976032.

The square root of 230679444681 is 480291.

It is a perfect power (a square), and thus also a powerful number.

230679444681 is a `hidden beast` number, since 2 + 30 + 6 + 7 + 94 + 446 + 81 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-230679444681 is a prime.

It is a super-2 number, since 2×230679444681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230679444601) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10074676 + ... + 10097546.

Almost surely, 2^230679444681 is an apocalyptic number.

230679444681 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230679444681 is the 480291-st square number.

230679444681 is the 240146-th centered octagonal number.

It is an amenable number.

230679444681 is a deficient number, since it is larger than the sum of its proper divisors (156941740452).

230679444681 is an frugal number, since it uses more digits than its factorization.

230679444681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45762 (or 22881 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 230679444681 in words is "two hundred thirty billion, six hundred seventy-nine million, four hundred forty-four thousand, six hundred eighty-one".