230723957381 has 8 divisors (see below), whose sum is σ = 245453759424. Its totient is φ = 216122800320.

The previous prime is 230723957333. The next prime is 230723957389. The reversal of 230723957381 is 183759327032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230723957381 is a prime.

It is a super-2 number, since 2×230723957381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230723957389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32157545 + ... + 32164718.

It is an arithmetic number, because the mean of its divisors is an integer number (30681719928).

Almost surely, 2^230723957381 is an apocalyptic number.

It is an amenable number.

230723957381 is a deficient number, since it is larger than the sum of its proper divisors (14729802043).

230723957381 is a wasteful number, since it uses less digits than its factorization.

230723957381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64322491.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 230723957381 in words is "two hundred thirty billion, seven hundred twenty-three million, nine hundred fifty-seven thousand, three hundred eighty-one".