230646434451 has 4 divisors (see below), whose sum is σ = 307528579272. Its totient is φ = 153764289632.

The previous prime is 230646434377. The next prime is 230646434461. The reversal of 230646434451 is 154434646032.

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 230646434451 - 2²³ = 230638045843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230646434461) 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, 38441072406 + ... + 38441072411.

It is an arithmetic number, because the mean of its divisors is an integer number (76882144818).

Almost surely, 2^230646434451 is an apocalyptic number.

230646434451 is a deficient number, since it is larger than the sum of its proper divisors (76882144821).

230646434451 is an equidigital number, since it uses as much as digits as its factorization.

230646434451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76882144820.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 230646434451 in words is "two hundred thirty billion, six hundred forty-six million, four hundred thirty-four thousand, four hundred fifty-one".