143402320234 has 32 divisors (see below), whose sum is σ = 230572863360. Its totient is φ = 66649516032.

The previous prime is 143402320223. The next prime is 143402320273. The reversal of 143402320234 is 432023204341.

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 in 15 ways as a sum of consecutive naturals, for example, 12475962 + ... + 12487450.

It is an arithmetic number, because the mean of its divisors is an integer number (7205401980).

Almost surely, 2^143402320234 is an apocalyptic number.

143402320234 is a deficient number, since it is larger than the sum of its proper divisors (87170543126).

143402320234 is a wasteful number, since it uses less digits than its factorization.

143402320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16014.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 143402320234 its reverse (432023204341), we get a palindrome (575425524575).

The spelling of 143402320234 in words is "one hundred forty-three billion, four hundred two million, three hundred twenty thousand, two hundred thirty-four".