230642042551 has 8 divisors (see below), whose sum is σ = 235650417408. Its totient is φ = 225673260000.

The previous prime is 230642042513. The next prime is 230642042557. The reversal of 230642042551 is 155240246032.

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 230642042551 - 2²⁷ = 230507824823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230642042557) 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, 9886300 + ... + 9909601.

It is an arithmetic number, because the mean of its divisors is an integer number (29456302176).

Almost surely, 2^230642042551 is an apocalyptic number.

230642042551 is a deficient number, since it is larger than the sum of its proper divisors (5008374857).

230642042551 is a wasteful number, since it uses less digits than its factorization.

230642042551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19796153.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 230642042551 its reverse (155240246032), we get a palindrome (385882288583).

The spelling of 230642042551 in words is "two hundred thirty billion, six hundred forty-two million, forty-two thousand, five hundred fifty-one".