230891995603 has 4 divisors (see below), whose sum is σ = 230893269520. Its totient is φ = 230890721688.

The previous prime is 230891995583. The next prime is 230891995619. The reversal of 230891995603 is 306599198032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 230891995603 - 2⁵ = 230891995571 is a prime.

It is a super-2 number, since 2×230891995603² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230891995703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308700 + ... + 746377.

It is an arithmetic number, because the mean of its divisors is an integer number (57723317380).

Almost surely, 2^230891995603 is an apocalyptic number.

230891995603 is a deficient number, since it is larger than the sum of its proper divisors (1273917).

230891995603 is a wasteful number, since it uses less digits than its factorization.

230891995603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273916.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 230891995603 in words is "two hundred thirty billion, eight hundred ninety-one million, nine hundred ninety-five thousand, six hundred three".