230933889493 has 8 divisors (see below), whose sum is σ = 241137239616. Its totient is φ = 220744101600.

The previous prime is 230933889481. The next prime is 230933889499. The reversal of 230933889493 is 394988339032.

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

It is a cyclic number.

It is not a de Polignac number, because 230933889493 - 2⁹ = 230933888981 is a prime.

It is a super-2 number, since 2×230933889493² (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 (230933889499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355743 + ... + 3423868.

It is an arithmetic number, because the mean of its divisors is an integer number (30142154952).

Almost surely, 2^230933889493 is an apocalyptic number.

230933889493 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

230933889493 is a deficient number, since it is larger than the sum of its proper divisors (10203350123).

230933889493 is a wasteful number, since it uses less digits than its factorization.

230933889493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781115.

The product of its (nonzero) digits is 30233088, while the sum is 61.

The spelling of 230933889493 in words is "two hundred thirty billion, nine hundred thirty-three million, eight hundred eighty-nine thousand, four hundred ninety-three".