230720042 has 16 divisors (see below), whose sum is σ = 408279552. Its totient is φ = 95690160.

The previous prime is 230720041. The next prime is 230720051. The reversal of 230720042 is 240027032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 230719996 and 230720023.

It is not an unprimeable number, because it can be changed into a prime (230720041) 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, 265373 + ... + 266240.

It is an arithmetic number, because the mean of its divisors is an integer number (25517472).

Almost surely, 2^230720042 is an apocalyptic number.

230720042 is a deficient number, since it is larger than the sum of its proper divisors (177559510).

230720042 is a wasteful number, since it uses less digits than its factorization.

230720042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531653.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 230720042 is about 15189.4714193747. The cubic root of 230720042 is about 613.3312701438.

Adding to 230720042 its reverse (240027032), we get a palindrome (470747074).

The spelling of 230720042 in words is "two hundred thirty million, seven hundred twenty thousand, forty-two".