143523420004 has 6 divisors (see below), whose sum is σ = 251165985014. Its totient is φ = 71761710000.

The previous prime is 143523419953. The next prime is 143523420049. The reversal of 143523420004 is 400024325341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 142618011904 + 905408100 = 377648^2 + 30090^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17940427497 + ... + 17940427504.

Almost surely, 2^143523420004 is an apocalyptic number.

It is an amenable number.

143523420004 is a deficient number, since it is larger than the sum of its proper divisors (107642565010).

143523420004 is a wasteful number, since it uses less digits than its factorization.

143523420004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35880855005 (or 35880855003 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 143523420004 its reverse (400024325341), we get a palindrome (543547745345).

The spelling of 143523420004 in words is "one hundred forty-three billion, five hundred twenty-three million, four hundred twenty thousand, four".