230723766261 has 12 divisors (see below), whose sum is σ = 350808065920. Its totient is φ = 145720273320.

The previous prime is 230723766239. The next prime is 230723766319. The reversal of 230723766261 is 162667327032.

230723766261 is a `hidden beast` number, since 2 + 307 + 23 + 7 + 66 + 261 = 666.

It is not a de Polignac number, because 230723766261 - 2⁶ = 230723766197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230723766761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674630725 + ... + 674631066.

Almost surely, 2^230723766261 is an apocalyptic number.

It is an amenable number.

230723766261 is a deficient number, since it is larger than the sum of its proper divisors (120084299659).

230723766261 is a wasteful number, since it uses less digits than its factorization.

230723766261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349261816 (or 1349261813 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 230723766261 in words is "two hundred thirty billion, seven hundred twenty-three million, seven hundred sixty-six thousand, two hundred sixty-one".