230646042 has 80 divisors (see below), whose sum is σ = 566942112. Its totient is φ = 69504480.

The previous prime is 230646037. The next prime is 230646043. The reversal of 230646042 is 240646032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 230645997 and 230646015.

It is not an unprimeable number, because it can be changed into a prime (230646043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 618168 + ... + 618540.

Almost surely, 2^230646042 is an apocalyptic number.

230646042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 230646042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283471056).

230646042 is an abundant number, since it is smaller than the sum of its proper divisors (336296070).

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

230646042 is a wasteful number, since it uses less digits than its factorization.

230646042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 230646042 is about 15187.0353262248. The cubic root of 230646042 is about 613.2656908573.

The spelling of 230646042 in words is "two hundred thirty million, six hundred forty-six thousand, forty-two".