230432142442 has 4 divisors (see below), whose sum is σ = 345648213666. Its totient is φ = 115216071220.

The previous prime is 230432142407. The next prime is 230432142509. The reversal of 230432142442 is 244241234032.

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

It can be written as a sum of positive squares in only one way, i.e., 151172438481 + 79259703961 = 388809^2 + 281531^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57608035609 + ... + 57608035612.

Almost surely, 2^230432142442 is an apocalyptic number.

230432142442 is a deficient number, since it is larger than the sum of its proper divisors (115216071224).

230432142442 is a wasteful number, since it uses less digits than its factorization.

230432142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115216071223.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 230432142442 its reverse (244241234032), we get a palindrome (474673376474).

The spelling of 230432142442 in words is "two hundred thirty billion, four hundred thirty-two million, one hundred forty-two thousand, four hundred forty-two".