230143242 has 32 divisors (see below), whose sum is σ = 526550400. Its totient is φ = 65691648.

The previous prime is 230143189. The next prime is 230143253. The reversal of 230143242 is 242341032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57234 + ... + 61122.

It is an arithmetic number, because the mean of its divisors is an integer number (16454700).

Almost surely, 2^230143242 is an apocalyptic number.

230143242 is an abundant number, since it is smaller than the sum of its proper divisors (296407158).

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

230143242 is a wasteful number, since it uses less digits than its factorization.

230143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 230143242 is about 15170.4727019299. The cubic root of 230143242 is about 612.8197343281.

Adding to 230143242 its reverse (242341032), we get a palindrome (472484274).

The spelling of 230143242 in words is "two hundred thirty million, one hundred forty-three thousand, two hundred forty-two".