143123561021043 has 16 divisors (see below), whose sum is σ = 212035100672160. Its totient is φ = 95415619392288.

The previous prime is 143123561020997. The next prime is 143123561021053. The reversal of 143123561021043 is 340120165321341.

143123561021043 is a `hidden beast` number, since 1 + 4 + 3 + 1 + 2 + 35 + 610 + 2 + 1 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 143123561021043 - 2⁸ = 143123561020787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143123561020989 and 143123561021007.

It is not an unprimeable number, because it can be changed into a prime (143123561021053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42262921 + ... + 45523637.

It is an arithmetic number, because the mean of its divisors is an integer number (13252193792010).

Almost surely, 2^{143123561021043} is an apocalyptic number.

143123561021043 is a deficient number, since it is larger than the sum of its proper divisors (68911539651117).

143123561021043 is a wasteful number, since it uses less digits than its factorization.

143123561021043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886403 (or 4886397 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 143123561021043 in words is "one hundred forty-three trillion, one hundred twenty-three billion, five hundred sixty-one million, twenty-one thousand, forty-three".