232142443 has 4 divisors (see below), whose sum is σ = 249999568. Its totient is φ = 214285320.

The previous prime is 232142413. The next prime is 232142461. The reversal of 232142443 is 344241232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 232142443 - 2²⁵ = 198588011 is a prime.

It is a super-2 number, since 2×232142443² = 107780227684016498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232142413) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8928543 + ... + 8928568.

It is an arithmetic number, because the mean of its divisors is an integer number (62499892).

Almost surely, 2^232142443 is an apocalyptic number.

232142443 is a deficient number, since it is larger than the sum of its proper divisors (17857125).

232142443 is a wasteful number, since it uses less digits than its factorization.

232142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857124.

The product of its digits is 4608, while the sum is 25.

The square root of 232142443 is about 15236.2214147734. The cubic root of 232142443 is about 614.5890951633.

Adding to 232142443 its reverse (344241232), we get a palindrome (576383675).

The spelling of 232142443 in words is "two hundred thirty-two million, one hundred forty-two thousand, four hundred forty-three".