230122142 has 4 divisors (see below), whose sum is σ = 345183216. Its totient is φ = 115061070.

The previous prime is 230122117. The next prime is 230122187. The reversal of 230122142 is 241221032.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 230122142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57530534 + ... + 57530537.

It is an arithmetic number, because the mean of its divisors is an integer number (86295804).

Almost surely, 2^230122142 is an apocalyptic number.

230122142 is a deficient number, since it is larger than the sum of its proper divisors (115061074).

230122142 is a wasteful number, since it uses less digits than its factorization.

230122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115061073.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 230122142 is about 15169.7772561103. Note that the first 3 decimals coincide. The cubic root of 230122142 is about 612.8010055697.

Adding to 230122142 its reverse (241221032), we get a palindrome (471343174).

The spelling of 230122142 in words is "two hundred thirty million, one hundred twenty-two thousand, one hundred forty-two".