230187178653 has 4 divisors (see below), whose sum is σ = 306916238208. Its totient is φ = 153458119100.

The previous prime is 230187178633. The next prime is 230187178699. The reversal of 230187178653 is 356871781032.

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 230187178653 - 2⁵ = 230187178621 is a prime.

It is a super-2 number, since 2×230187178653² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230187178596 and 230187178605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230187178633) 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, 38364529773 + ... + 38364529778.

It is an arithmetic number, because the mean of its divisors is an integer number (76729059552).

Almost surely, 2^230187178653 is an apocalyptic number.

It is an amenable number.

230187178653 is a deficient number, since it is larger than the sum of its proper divisors (76729059555).

230187178653 is an equidigital number, since it uses as much as digits as its factorization.

230187178653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76729059554.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 230187178653 in words is "two hundred thirty billion, one hundred eighty-seven million, one hundred seventy-eight thousand, six hundred fifty-three".