230187135913 has 4 divisors (see below), whose sum is σ = 263071012480. Its totient is φ = 197303259348.

The previous prime is 230187135881. The next prime is 230187136019. The reversal of 230187135913 is 319531781032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230187135913 - 2⁵ = 230187135881 is a prime.

It is a super-2 number, since 2×230187135913² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230187135913.

It is not an unprimeable number, because it can be changed into a prime (230187132913) 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, 16441938273 + ... + 16441938286.

It is an arithmetic number, because the mean of its divisors is an integer number (65767753120).

Almost surely, 2^230187135913 is an apocalyptic number.

It is an amenable number.

230187135913 is a deficient number, since it is larger than the sum of its proper divisors (32883876567).

230187135913 is an equidigital number, since it uses as much as digits as its factorization.

230187135913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32883876566.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 230187135913 in words is "two hundred thirty billion, one hundred eighty-seven million, one hundred thirty-five thousand, nine hundred thirteen".