230891995602 has 24 divisors (see below), whose sum is σ = 508467074700. Its totient is φ = 75702293280.

The previous prime is 230891995583. The next prime is 230891995619. The reversal of 230891995602 is 206599198032.

It is a happy number.

230891995602 is a `hidden beast` number, since 23 + 0 + 8 + 9 + 1 + 9 + 9 + 5 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230765905161 + 126090441 = 480381^2 + 11229^2 .

It is a super-2 number, since 2×230891995602² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 105140977 + ... + 105143172.

Almost surely, 2^230891995602 is an apocalyptic number.

230891995602 is an abundant number, since it is smaller than the sum of its proper divisors (277575079098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230891995602 is a wasteful number, since it uses less digits than its factorization.

230891995602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210284218 (or 210284215 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 230891995602 in words is "two hundred thirty billion, eight hundred ninety-one million, nine hundred ninety-five thousand, six hundred two".